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Finding the Fourth Proportional to 133.86, 200.52 and 132.24

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Solution

The fourth proportional to 133.86, 200.52 and 132.24 is: 198.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.86 : 200.52 = 132.24 : x
  2. Step 2: Convert to fraction form
    133.86/200.52 = 132.24/x
  3. Step 3: Cross multiply
    133.86x = 200.52 × 132.24
  4. Step 4: Simplify right side
    133.86x = 26,516.76
  5. Step 5: Solve for x
    x = 26,516.76/133.86
  6. Step 6: Final answer
    x = 198.09

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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.