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Finding the Fourth Proportional to 132.13, 198.17 and 63.59

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Solution

The fourth proportional to 132.13, 198.17 and 63.59 is: 95.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.13 : 198.17 = 63.59 : x
  2. Step 2: Convert to fraction form
    132.13/198.17 = 63.59/x
  3. Step 3: Cross multiply
    132.13x = 198.17 × 63.59
  4. Step 4: Simplify right side
    132.13x = 12,601.63
  5. Step 5: Solve for x
    x = 12,601.63/132.13
  6. Step 6: Final answer
    x = 95.37

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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.