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Finding the Fourth Proportional to 63,143.92, 87,149.89 and 37,651.92

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Solution

The fourth proportional to 63,143.92, 87,149.89 and 37,651.92 is: 51,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.92 : 87,149.89 = 37,651.92 : x
  2. Step 2: Convert to fraction form
    63,143.92/87,149.89 = 37,651.92/x
  3. Step 3: Cross multiply
    63,143.92x = 87,149.89 × 37,651.92
  4. Step 4: Simplify right side
    63,143.92x = 3,281,360,686.29
  5. Step 5: Solve for x
    x = 3,281,360,686.29/63,143.92
  6. Step 6: Final answer
    x = 51,966.38

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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.