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Finding the Fourth Proportional to 167.21, 250.75 and 58.97

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Solution

The fourth proportional to 167.21, 250.75 and 58.97 is: 88.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.21 : 250.75 = 58.97 : x
  2. Step 2: Convert to fraction form
    167.21/250.75 = 58.97/x
  3. Step 3: Cross multiply
    167.21x = 250.75 × 58.97
  4. Step 4: Simplify right side
    167.21x = 14,786.73
  5. Step 5: Solve for x
    x = 14,786.73/167.21
  6. Step 6: Final answer
    x = 88.43

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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.