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Finding the Fourth Proportional to 232.49, 348.32 and 108.88

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Solution

The fourth proportional to 232.49, 348.32 and 108.88 is: 163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.49 : 348.32 = 108.88 : x
  2. Step 2: Convert to fraction form
    232.49/348.32 = 108.88/x
  3. Step 3: Cross multiply
    232.49x = 348.32 × 108.88
  4. Step 4: Simplify right side
    232.49x = 37,924.48
  5. Step 5: Solve for x
    x = 37,924.48/232.49
  6. Step 6: Final answer
    x = 163.12

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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.