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Finding the Fourth Proportional to 240.32, 360.24 and 132.08

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Solution

The fourth proportional to 240.32, 360.24 and 132.08 is: 197.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.32 : 360.24 = 132.08 : x
  2. Step 2: Convert to fraction form
    240.32/360.24 = 132.08/x
  3. Step 3: Cross multiply
    240.32x = 360.24 × 132.08
  4. Step 4: Simplify right side
    240.32x = 47,580.50
  5. Step 5: Solve for x
    x = 47,580.50/240.32
  6. Step 6: Final answer
    x = 197.99

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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.