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Finding the Fourth Proportional to 63,901.98, 95,707.17 and 54,531.90

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Solution

The fourth proportional to 63,901.98, 95,707.17 and 54,531.90 is: 81,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,901.98 : 95,707.17 = 54,531.90 : x
  2. Step 2: Convert to fraction form
    63,901.98/95,707.17 = 54,531.90/x
  3. Step 3: Cross multiply
    63,901.98x = 95,707.17 × 54,531.90
  4. Step 4: Simplify right side
    63,901.98x = 5,219,093,823.72
  5. Step 5: Solve for x
    x = 5,219,093,823.72/63,901.98
  6. Step 6: Final answer
    x = 81,673.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.