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Finding the Fourth Proportional to 166.38, 249.56 and 94.23

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Solution

The fourth proportional to 166.38, 249.56 and 94.23 is: 141.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.38 : 249.56 = 94.23 : x
  2. Step 2: Convert to fraction form
    166.38/249.56 = 94.23/x
  3. Step 3: Cross multiply
    166.38x = 249.56 × 94.23
  4. Step 4: Simplify right side
    166.38x = 23,516.04
  5. Step 5: Solve for x
    x = 23,516.04/166.38
  6. Step 6: Final answer
    x = 141.34

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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.