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Finding the Fourth Proportional to 132.52, 198.49 and 109.44

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Solution

The fourth proportional to 132.52, 198.49 and 109.44 is: 163.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.52 : 198.49 = 109.44 : x
  2. Step 2: Convert to fraction form
    132.52/198.49 = 109.44/x
  3. Step 3: Cross multiply
    132.52x = 198.49 × 109.44
  4. Step 4: Simplify right side
    132.52x = 21,721.75
  5. Step 5: Solve for x
    x = 21,721.75/132.52
  6. Step 6: Final answer
    x = 163.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.