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Finding the Fourth Proportional to 96,487.65, 133,152.96 and 58,761.90

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Solution

The fourth proportional to 96,487.65, 133,152.96 and 58,761.90 is: 81,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,487.65 : 133,152.96 = 58,761.90 : x
  2. Step 2: Convert to fraction form
    96,487.65/133,152.96 = 58,761.90/x
  3. Step 3: Cross multiply
    96,487.65x = 133,152.96 × 58,761.90
  4. Step 4: Simplify right side
    96,487.65x = 7,824,320,920.22
  5. Step 5: Solve for x
    x = 7,824,320,920.22/96,487.65
  6. Step 6: Final answer
    x = 81,091.42

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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.