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Finding the Fourth Proportional to 168.03, 251.65 and 163.41

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Solution

The fourth proportional to 168.03, 251.65 and 163.41 is: 244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.03 : 251.65 = 163.41 : x
  2. Step 2: Convert to fraction form
    168.03/251.65 = 163.41/x
  3. Step 3: Cross multiply
    168.03x = 251.65 × 163.41
  4. Step 4: Simplify right side
    168.03x = 41,121.31
  5. Step 5: Solve for x
    x = 41,121.31/168.03
  6. Step 6: Final answer
    x = 244.73

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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.