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Finding the Fourth Proportional to 232.49, 348.76 and 109.08

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Solution

The fourth proportional to 232.49, 348.76 and 109.08 is: 163.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.49 : 348.76 = 109.08 : x
  2. Step 2: Convert to fraction form
    232.49/348.76 = 109.08/x
  3. Step 3: Cross multiply
    232.49x = 348.76 × 109.08
  4. Step 4: Simplify right side
    232.49x = 38,042.26
  5. Step 5: Solve for x
    x = 38,042.26/232.49
  6. Step 6: Final answer
    x = 163.63

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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.