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Finding the Fourth Proportional to 223.97, 335.18 and 132.73

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Solution

The fourth proportional to 223.97, 335.18 and 132.73 is: 198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.97 : 335.18 = 132.73 : x
  2. Step 2: Convert to fraction form
    223.97/335.18 = 132.73/x
  3. Step 3: Cross multiply
    223.97x = 335.18 × 132.73
  4. Step 4: Simplify right side
    223.97x = 44,488.44
  5. Step 5: Solve for x
    x = 44,488.44/223.97
  6. Step 6: Final answer
    x = 198.64

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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.