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Finding the Fourth Proportional to 166.46, 249.08 and 149.04

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Solution

The fourth proportional to 166.46, 249.08 and 149.04 is: 223.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.46 : 249.08 = 149.04 : x
  2. Step 2: Convert to fraction form
    166.46/249.08 = 149.04/x
  3. Step 3: Cross multiply
    166.46x = 249.08 × 149.04
  4. Step 4: Simplify right side
    166.46x = 37,122.14
  5. Step 5: Solve for x
    x = 37,122.14/166.46
  6. Step 6: Final answer
    x = 223.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.