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Finding the Fourth Proportional to 167.88, 251.83 and 59.69

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Solution

The fourth proportional to 167.88, 251.83 and 59.69 is: 89.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.88 : 251.83 = 59.69 : x
  2. Step 2: Convert to fraction form
    167.88/251.83 = 59.69/x
  3. Step 3: Cross multiply
    167.88x = 251.83 × 59.69
  4. Step 4: Simplify right side
    167.88x = 15,030.32
  5. Step 5: Solve for x
    x = 15,030.32/167.88
  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.