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Finding the Fourth Proportional to 132.22, 198.32 and 36.04

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Solution

The fourth proportional to 132.22, 198.32 and 36.04 is: 54.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.22 : 198.32 = 36.04 : x
  2. Step 2: Convert to fraction form
    132.22/198.32 = 36.04/x
  3. Step 3: Cross multiply
    132.22x = 198.32 × 36.04
  4. Step 4: Simplify right side
    132.22x = 7,147.45
  5. Step 5: Solve for x
    x = 7,147.45/132.22
  6. Step 6: Final answer
    x = 54.06

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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.