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Finding the Fourth Proportional to 167.87, 251.89 and 59.67

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Solution

The fourth proportional to 167.87, 251.89 and 59.67 is: 89.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.87 : 251.89 = 59.67 : x
  2. Step 2: Convert to fraction form
    167.87/251.89 = 59.67/x
  3. Step 3: Cross multiply
    167.87x = 251.89 × 59.67
  4. Step 4: Simplify right side
    167.87x = 15,028.72
  5. Step 5: Solve for x
    x = 15,028.72/167.87
  6. Step 6: Final answer
    x = 89.53

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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.