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Finding the Fourth Proportional to 73,641.13, 110,358.72 and 39,834.16

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Solution

The fourth proportional to 73,641.13, 110,358.72 and 39,834.16 is: 59,695.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,641.13 : 110,358.72 = 39,834.16 : x
  2. Step 2: Convert to fraction form
    73,641.13/110,358.72 = 39,834.16/x
  3. Step 3: Cross multiply
    73,641.13x = 110,358.72 × 39,834.16
  4. Step 4: Simplify right side
    73,641.13x = 4,396,046,909.88
  5. Step 5: Solve for x
    x = 4,396,046,909.88/73,641.13
  6. Step 6: Final answer
    x = 59,695.54

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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.