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Finding the Fourth Proportional to 167.15, 252.07 and 166.07

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Solution

The fourth proportional to 167.15, 252.07 and 166.07 is: 250.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.15 : 252.07 = 166.07 : x
  2. Step 2: Convert to fraction form
    167.15/252.07 = 166.07/x
  3. Step 3: Cross multiply
    167.15x = 252.07 × 166.07
  4. Step 4: Simplify right side
    167.15x = 41,861.26
  5. Step 5: Solve for x
    x = 41,861.26/167.15
  6. Step 6: Final answer
    x = 250.44

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.