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Finding the Fourth Proportional to 167.89, 251.84 and 59.68

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Solution

The fourth proportional to 167.89, 251.84 and 59.68 is: 89.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.89 : 251.84 = 59.68 : x
  2. Step 2: Convert to fraction form
    167.89/251.84 = 59.68/x
  3. Step 3: Cross multiply
    167.89x = 251.84 × 59.68
  4. Step 4: Simplify right side
    167.89x = 15,028.52
  5. Step 5: Solve for x
    x = 15,028.52/167.89
  6. Step 6: Final answer
    x = 89.51

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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.