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Finding the Fourth Proportional to 232.75, 349.22 and 88.48

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Solution

The fourth proportional to 232.75, 349.22 and 88.48 is: 132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.75 : 349.22 = 88.48 : x
  2. Step 2: Convert to fraction form
    232.75/349.22 = 88.48/x
  3. Step 3: Cross multiply
    232.75x = 349.22 × 88.48
  4. Step 4: Simplify right side
    232.75x = 30,898.99
  5. Step 5: Solve for x
    x = 30,898.99/232.75
  6. Step 6: Final answer
    x = 132.76

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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.