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Finding the Fourth Proportional to 167.37, 250.77 and 113.31

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Solution

The fourth proportional to 167.37, 250.77 and 113.31 is: 169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.37 : 250.77 = 113.31 : x
  2. Step 2: Convert to fraction form
    167.37/250.77 = 113.31/x
  3. Step 3: Cross multiply
    167.37x = 250.77 × 113.31
  4. Step 4: Simplify right side
    167.37x = 28,414.75
  5. Step 5: Solve for x
    x = 28,414.75/167.37
  6. Step 6: Final answer
    x = 169.77

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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.