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Finding the Fourth Proportional to 167.01, 250.46 and 80.34

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Solution

The fourth proportional to 167.01, 250.46 and 80.34 is: 120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.01 : 250.46 = 80.34 : x
  2. Step 2: Convert to fraction form
    167.01/250.46 = 80.34/x
  3. Step 3: Cross multiply
    167.01x = 250.46 × 80.34
  4. Step 4: Simplify right side
    167.01x = 20,121.55
  5. Step 5: Solve for x
    x = 20,121.55/167.01
  6. Step 6: Final answer
    x = 120.48

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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.