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Finding the Fourth Proportional to 95,672.30, 132,209.86 and 71,757.48

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Solution

The fourth proportional to 95,672.30, 132,209.86 and 71,757.48 is: 99,161.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,672.30 : 132,209.86 = 71,757.48 : x
  2. Step 2: Convert to fraction form
    95,672.30/132,209.86 = 71,757.48/x
  3. Step 3: Cross multiply
    95,672.30x = 132,209.86 × 71,757.48
  4. Step 4: Simplify right side
    95,672.30x = 9,487,046,384.75
  5. Step 5: Solve for x
    x = 9,487,046,384.75/95,672.30
  6. Step 6: Final answer
    x = 99,161.89

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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.