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Finding the Fourth Proportional to 166.24, 229.44 and 108.04

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Solution

The fourth proportional to 166.24, 229.44 and 108.04 is: 149.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.24 : 229.44 = 108.04 : x
  2. Step 2: Convert to fraction form
    166.24/229.44 = 108.04/x
  3. Step 3: Cross multiply
    166.24x = 229.44 × 108.04
  4. Step 4: Simplify right side
    166.24x = 24,788.70
  5. Step 5: Solve for x
    x = 24,788.70/166.24
  6. Step 6: Final answer
    x = 149.11

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Why These Related Problems?

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