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Finding the Fourth Proportional to 223.91, 335.85 and 132.32

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Solution

The fourth proportional to 223.91, 335.85 and 132.32 is: 198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.91 : 335.85 = 132.32 : x
  2. Step 2: Convert to fraction form
    223.91/335.85 = 132.32/x
  3. Step 3: Cross multiply
    223.91x = 335.85 × 132.32
  4. Step 4: Simplify right side
    223.91x = 44,439.67
  5. Step 5: Solve for x
    x = 44,439.67/223.91
  6. Step 6: Final answer
    x = 198.47

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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.