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Finding the Fourth Proportional to 168.53, 232.83 and 125.42

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Solution

The fourth proportional to 168.53, 232.83 and 125.42 is: 173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.53 : 232.83 = 125.42 : x
  2. Step 2: Convert to fraction form
    168.53/232.83 = 125.42/x
  3. Step 3: Cross multiply
    168.53x = 232.83 × 125.42
  4. Step 4: Simplify right side
    168.53x = 29,200.37
  5. Step 5: Solve for x
    x = 29,200.37/168.53
  6. Step 6: Final answer
    x = 173.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.