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Finding the Fourth Proportional to 96.38, 132.96 and 59.49

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Solution

The fourth proportional to 96.38, 132.96 and 59.49 is: 82.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.38 : 132.96 = 59.49 : x
  2. Step 2: Convert to fraction form
    96.38/132.96 = 59.49/x
  3. Step 3: Cross multiply
    96.38x = 132.96 × 59.49
  4. Step 4: Simplify right side
    96.38x = 7,909.79
  5. Step 5: Solve for x
    x = 7,909.79/96.38
  6. Step 6: Final answer
    x = 82.07

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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.