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Finding the Fourth Proportional to 167.89, 251.67 and 59.62

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Solution

The fourth proportional to 167.89, 251.67 and 59.62 is: 89.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.89 : 251.67 = 59.62 : x
  2. Step 2: Convert to fraction form
    167.89/251.67 = 59.62/x
  3. Step 3: Cross multiply
    167.89x = 251.67 × 59.62
  4. Step 4: Simplify right side
    167.89x = 15,004.57
  5. Step 5: Solve for x
    x = 15,004.57/167.89
  6. Step 6: Final answer
    x = 89.37

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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.