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Finding the Fourth Proportional to 240.38, 360.29 and 132.24

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Solution

The fourth proportional to 240.38, 360.29 and 132.24 is: 198.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.38 : 360.29 = 132.24 : x
  2. Step 2: Convert to fraction form
    240.38/360.29 = 132.24/x
  3. Step 3: Cross multiply
    240.38x = 360.29 × 132.24
  4. Step 4: Simplify right side
    240.38x = 47,644.75
  5. Step 5: Solve for x
    x = 47,644.75/240.38
  6. Step 6: Final answer
    x = 198.21

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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.