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Finding the Fourth Proportional to 63,139.43, 87,132.22 and 34,844.92

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Solution

The fourth proportional to 63,139.43, 87,132.22 and 34,844.92 is: 48,085.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,139.43 : 87,132.22 = 34,844.92 : x
  2. Step 2: Convert to fraction form
    63,139.43/87,132.22 = 34,844.92/x
  3. Step 3: Cross multiply
    63,139.43x = 87,132.22 × 34,844.92
  4. Step 4: Simplify right side
    63,139.43x = 3,036,114,930.38
  5. Step 5: Solve for x
    x = 3,036,114,930.38/63,139.43
  6. Step 6: Final answer
    x = 48,085.88

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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.