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Finding the Fourth Proportional to 63,141.92, 87,147.13 and 37,649.92

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Solution

The fourth proportional to 63,141.92, 87,147.13 and 37,649.92 is: 51,963.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.92 : 87,147.13 = 37,649.92 : x
  2. Step 2: Convert to fraction form
    63,141.92/87,147.13 = 37,649.92/x
  3. Step 3: Cross multiply
    63,141.92x = 87,147.13 × 37,649.92
  4. Step 4: Simplify right side
    63,141.92x = 3,281,082,472.73
  5. Step 5: Solve for x
    x = 3,281,082,472.73/63,141.92
  6. Step 6: Final answer
    x = 51,963.62

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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.