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Finding the Fourth Proportional to 240.49, 360.96 and 132.13

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Solution

The fourth proportional to 240.49, 360.96 and 132.13 is: 198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.49 : 360.96 = 132.13 : x
  2. Step 2: Convert to fraction form
    240.49/360.96 = 132.13/x
  3. Step 3: Cross multiply
    240.49x = 360.96 × 132.13
  4. Step 4: Simplify right side
    240.49x = 47,693.64
  5. Step 5: Solve for x
    x = 47,693.64/240.49
  6. Step 6: Final answer
    x = 198.32

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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.