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Finding the Fourth Proportional to 96,657.43, 144,913.24 and 63,385.87

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Solution

The fourth proportional to 96,657.43, 144,913.24 and 63,385.87 is: 95,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,657.43 : 144,913.24 = 63,385.87 : x
  2. Step 2: Convert to fraction form
    96,657.43/144,913.24 = 63,385.87/x
  3. Step 3: Cross multiply
    96,657.43x = 144,913.24 × 63,385.87
  4. Step 4: Simplify right side
    96,657.43x = 9,185,451,791.92
  5. Step 5: Solve for x
    x = 9,185,451,791.92/96,657.43
  6. Step 6: Final answer
    x = 95,031.00

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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.