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Finding the Fourth Proportional to 166.92, 250.50 and 112.14

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Solution

The fourth proportional to 166.92, 250.50 and 112.14 is: 168.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.92 : 250.50 = 112.14 : x
  2. Step 2: Convert to fraction form
    166.92/250.50 = 112.14/x
  3. Step 3: Cross multiply
    166.92x = 250.50 × 112.14
  4. Step 4: Simplify right side
    166.92x = 28,091.07
  5. Step 5: Solve for x
    x = 28,091.07/166.92
  6. Step 6: Final answer
    x = 168.29

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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.