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Finding the Fourth Proportional to 167.59, 250.71 and 113.19

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Solution

The fourth proportional to 167.59, 250.71 and 113.19 is: 169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.59 : 250.71 = 113.19 : x
  2. Step 2: Convert to fraction form
    167.59/250.71 = 113.19/x
  3. Step 3: Cross multiply
    167.59x = 250.71 × 113.19
  4. Step 4: Simplify right side
    167.59x = 28,377.86
  5. Step 5: Solve for x
    x = 28,377.86/167.59
  6. Step 6: Final answer
    x = 169.33

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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.