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Finding the Fourth Proportional to 167.29, 251.01 and 64.62

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Solution

The fourth proportional to 167.29, 251.01 and 64.62 is: 96.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.29 : 251.01 = 64.62 : x
  2. Step 2: Convert to fraction form
    167.29/251.01 = 64.62/x
  3. Step 3: Cross multiply
    167.29x = 251.01 × 64.62
  4. Step 4: Simplify right side
    167.29x = 16,220.27
  5. Step 5: Solve for x
    x = 16,220.27/167.29
  6. Step 6: Final answer
    x = 96.96

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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.