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Finding the Fourth Proportional to 168.48, 232.44 and 102.08

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Solution

The fourth proportional to 168.48, 232.44 and 102.08 is: 140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.48 : 232.44 = 102.08 : x
  2. Step 2: Convert to fraction form
    168.48/232.44 = 102.08/x
  3. Step 3: Cross multiply
    168.48x = 232.44 × 102.08
  4. Step 4: Simplify right side
    168.48x = 23,727.48
  5. Step 5: Solve for x
    x = 23,727.48/168.48
  6. Step 6: Final answer
    x = 140.83

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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.