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Finding the Fourth Proportional to 167.14, 250.68 and 48.38

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Solution

The fourth proportional to 167.14, 250.68 and 48.38 is: 72.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.14 : 250.68 = 48.38 : x
  2. Step 2: Convert to fraction form
    167.14/250.68 = 48.38/x
  3. Step 3: Cross multiply
    167.14x = 250.68 × 48.38
  4. Step 4: Simplify right side
    167.14x = 12,126.96
  5. Step 5: Solve for x
    x = 12,126.96/167.14
  6. Step 6: Final answer
    x = 72.55

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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.