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Finding the Fourth Proportional to 167.08, 250.58 and 112.76

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Solution

The fourth proportional to 167.08, 250.58 and 112.76 is: 169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.08 : 250.58 = 112.76 : x
  2. Step 2: Convert to fraction form
    167.08/250.58 = 112.76/x
  3. Step 3: Cross multiply
    167.08x = 250.58 × 112.76
  4. Step 4: Simplify right side
    167.08x = 28,255.40
  5. Step 5: Solve for x
    x = 28,255.40/167.08
  6. Step 6: Final answer
    x = 169.11

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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.