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Finding the Fourth Proportional to 167.16, 250.47 and 132.74

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Solution

The fourth proportional to 167.16, 250.47 and 132.74 is: 198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.16 : 250.47 = 132.74 : x
  2. Step 2: Convert to fraction form
    167.16/250.47 = 132.74/x
  3. Step 3: Cross multiply
    167.16x = 250.47 × 132.74
  4. Step 4: Simplify right side
    167.16x = 33,247.39
  5. Step 5: Solve for x
    x = 33,247.39/167.16
  6. Step 6: Final answer
    x = 198.90

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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.