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Finding the Fourth Proportional to 96.13, 144.02 and 63.61

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Solution

The fourth proportional to 96.13, 144.02 and 63.61 is: 95.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.13 : 144.02 = 63.61 : x
  2. Step 2: Convert to fraction form
    96.13/144.02 = 63.61/x
  3. Step 3: Cross multiply
    96.13x = 144.02 × 63.61
  4. Step 4: Simplify right side
    96.13x = 9,160.39
  5. Step 5: Solve for x
    x = 9,160.39/96.13
  6. Step 6: Final answer
    x = 95.30

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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.