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Finding the Fourth Proportional to 181,781.10, 272,737.26 and 63,469.87

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Solution

The fourth proportional to 181,781.10, 272,737.26 and 63,469.87 is: 95,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,781.10 : 272,737.26 = 63,469.87 : x
  2. Step 2: Convert to fraction form
    181,781.10/272,737.26 = 63,469.87/x
  3. Step 3: Cross multiply
    181,781.10x = 272,737.26 × 63,469.87
  4. Step 4: Simplify right side
    181,781.10x = 17,310,598,436.36
  5. Step 5: Solve for x
    x = 17,310,598,436.36/181,781.10
  6. Step 6: Final answer
    x = 95,227.71

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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.