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Finding the Fourth Proportional to 71,732.68, 99,062.08 and 59,110.92

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Solution

The fourth proportional to 71,732.68, 99,062.08 and 59,110.92 is: 81,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,732.68 : 99,062.08 = 59,110.92 : x
  2. Step 2: Convert to fraction form
    71,732.68/99,062.08 = 59,110.92/x
  3. Step 3: Cross multiply
    71,732.68x = 99,062.08 × 59,110.92
  4. Step 4: Simplify right side
    71,732.68x = 5,855,650,685.91
  5. Step 5: Solve for x
    x = 5,855,650,685.91/71,732.68
  6. Step 6: Final answer
    x = 81,631.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.