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Finding the Fourth Proportional to 167.15, 250.38 and 112.14

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Solution

The fourth proportional to 167.15, 250.38 and 112.14 is: 167.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.15 : 250.38 = 112.14 : x
  2. Step 2: Convert to fraction form
    167.15/250.38 = 112.14/x
  3. Step 3: Cross multiply
    167.15x = 250.38 × 112.14
  4. Step 4: Simplify right side
    167.15x = 28,076.36
  5. Step 5: Solve for x
    x = 28,076.36/167.15
  6. Step 6: Final answer
    x = 167.97

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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.