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Finding the Fourth Proportional to 168.03, 251.60 and 132.03

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Solution

The fourth proportional to 168.03, 251.60 and 132.03 is: 197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.03 : 251.60 = 132.03 : x
  2. Step 2: Convert to fraction form
    168.03/251.60 = 132.03/x
  3. Step 3: Cross multiply
    168.03x = 251.60 × 132.03
  4. Step 4: Simplify right side
    168.03x = 33,218.09
  5. Step 5: Solve for x
    x = 33,218.09/168.03
  6. Step 6: Final answer
    x = 197.69

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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.