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Finding the Fourth Proportional to 132.52, 198.53 and 110.99

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Solution

The fourth proportional to 132.52, 198.53 and 110.99 is: 166.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.52 : 198.53 = 110.99 : x
  2. Step 2: Convert to fraction form
    132.52/198.53 = 110.99/x
  3. Step 3: Cross multiply
    132.52x = 198.53 × 110.99
  4. Step 4: Simplify right side
    132.52x = 22,034.61
  5. Step 5: Solve for x
    x = 22,034.61/132.52
  6. Step 6: Final answer
    x = 166.27

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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.