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Finding the Fourth Proportional to 232.38, 348.42 and 110.64

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Solution

The fourth proportional to 232.38, 348.42 and 110.64 is: 165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.38 : 348.42 = 110.64 : x
  2. Step 2: Convert to fraction form
    232.38/348.42 = 110.64/x
  3. Step 3: Cross multiply
    232.38x = 348.42 × 110.64
  4. Step 4: Simplify right side
    232.38x = 38,549.19
  5. Step 5: Solve for x
    x = 38,549.19/232.38
  6. Step 6: Final answer
    x = 165.89

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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.