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Finding the Fourth Proportional to 232.78, 348.96 and 110.92

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Solution

The fourth proportional to 232.78, 348.96 and 110.92 is: 166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.78 : 348.96 = 110.92 : x
  2. Step 2: Convert to fraction form
    232.78/348.96 = 110.92/x
  3. Step 3: Cross multiply
    232.78x = 348.96 × 110.92
  4. Step 4: Simplify right side
    232.78x = 38,706.64
  5. Step 5: Solve for x
    x = 38,706.64/232.78
  6. Step 6: Final answer
    x = 166.28

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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.