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If a new partner takes (1/4) share and the old partners' new ratio is (3:2:1), what is the complete new ratio?

Answer and explanation

Correct answer: (9:6:3:6)

The correct answer is option A: (9:6:3:6), which is equivalent to (3:2:1:2). The new partner receives 1/4, so the old partners together retain 1 − 1/4 = 3/4. Their stated ratio 3:2:1 has 6 total parts. Therefore their shares are 3/4 × 3/6 = 3/8, 3/4 × 2/6 = 1/4, and 3/4 × 1/6 = 1/8. The new partner has 1/4. Converting all to denominator 8 gives 3:2:1:2. Option A, 9:6:3:6, reduces by 3 to this same ratio, so it is correct. Option B, 3:2:1:4, gives the new partner too large a share. Option C, 3:2:1:1, gives only 1/8 to the new partner. Option D, 6:4:2:3, does not preserve the required 1/4 share. Remember: first find the old partners’ remaining share, then divide it in their ratio.

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Fixed Old New RatioComplete RatioAdmission

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