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Finding the Fourth Proportional to 166.35, 229.52 and 108.13

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Solution

The fourth proportional to 166.35, 229.52 and 108.13 is: 149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.35 : 229.52 = 108.13 : x
  2. Step 2: Convert to fraction form
    166.35/229.52 = 108.13/x
  3. Step 3: Cross multiply
    166.35x = 229.52 × 108.13
  4. Step 4: Simplify right side
    166.35x = 24,817.46
  5. Step 5: Solve for x
    x = 24,817.46/166.35
  6. Step 6: Final answer
    x = 149.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.