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Finding the Fourth Proportional to 232.96, 349.30 and 111.26

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Solution

The fourth proportional to 232.96, 349.30 and 111.26 is: 166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.96 : 349.30 = 111.26 : x
  2. Step 2: Convert to fraction form
    232.96/349.30 = 111.26/x
  3. Step 3: Cross multiply
    232.96x = 349.30 × 111.26
  4. Step 4: Simplify right side
    232.96x = 38,863.12
  5. Step 5: Solve for x
    x = 38,863.12/232.96
  6. Step 6: Final answer
    x = 166.82

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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.