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Finding the Fourth Proportional to 232.29, 348.43 and 69.97

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Solution

The fourth proportional to 232.29, 348.43 and 69.97 is: 104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.29 : 348.43 = 69.97 : x
  2. Step 2: Convert to fraction form
    232.29/348.43 = 69.97/x
  3. Step 3: Cross multiply
    232.29x = 348.43 × 69.97
  4. Step 4: Simplify right side
    232.29x = 24,379.65
  5. Step 5: Solve for x
    x = 24,379.65/232.29
  6. Step 6: Final answer
    x = 104.96

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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.