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Finding the Fourth Proportional to 63,169.43, 87,142.36 and 37,657.82

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Solution

The fourth proportional to 63,169.43, 87,142.36 and 37,657.82 is: 51,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.43 : 87,142.36 = 37,657.82 : x
  2. Step 2: Convert to fraction form
    63,169.43/87,142.36 = 37,657.82/x
  3. Step 3: Cross multiply
    63,169.43x = 87,142.36 × 37,657.82
  4. Step 4: Simplify right side
    63,169.43x = 3,281,591,253.56
  5. Step 5: Solve for x
    x = 3,281,591,253.56/63,169.43
  6. Step 6: Final answer
    x = 51,949.04

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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.