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Finding the Fourth Proportional to 63,939.92, 88,241.90 and 37,082.21

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Solution

The fourth proportional to 63,939.92, 88,241.90 and 37,082.21 is: 51,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,939.92 : 88,241.90 = 37,082.21 : x
  2. Step 2: Convert to fraction form
    63,939.92/88,241.90 = 37,082.21/x
  3. Step 3: Cross multiply
    63,939.92x = 88,241.90 × 37,082.21
  4. Step 4: Simplify right side
    63,939.92x = 3,272,204,039.98
  5. Step 5: Solve for x
    x = 3,272,204,039.98/63,939.92
  6. Step 6: Final answer
    x = 51,176.23

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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.