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Finding the Fourth Proportional to 167.59, 251.25 and 102.52

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Solution

The fourth proportional to 167.59, 251.25 and 102.52 is: 153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.59 : 251.25 = 102.52 : x
  2. Step 2: Convert to fraction form
    167.59/251.25 = 102.52/x
  3. Step 3: Cross multiply
    167.59x = 251.25 × 102.52
  4. Step 4: Simplify right side
    167.59x = 25,758.15
  5. Step 5: Solve for x
    x = 25,758.15/167.59
  6. Step 6: Final answer
    x = 153.70

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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.