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Finding the Fourth Proportional to 154,397.66, 231,435.92 and 59,692.89

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Solution

The fourth proportional to 154,397.66, 231,435.92 and 59,692.89 is: 89,477.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,397.66 : 231,435.92 = 59,692.89 : x
  2. Step 2: Convert to fraction form
    154,397.66/231,435.92 = 59,692.89/x
  3. Step 3: Cross multiply
    154,397.66x = 231,435.92 × 59,692.89
  4. Step 4: Simplify right side
    154,397.66x = 13,815,079,063.84
  5. Step 5: Solve for x
    x = 13,815,079,063.84/154,397.66
  6. Step 6: Final answer
    x = 89,477.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.