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Finding the Fourth Proportional to 168.19, 232.00 and 102.73

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Solution

The fourth proportional to 168.19, 232.00 and 102.73 is: 141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.19 : 232.00 = 102.73 : x
  2. Step 2: Convert to fraction form
    168.19/232.00 = 102.73/x
  3. Step 3: Cross multiply
    168.19x = 232.00 × 102.73
  4. Step 4: Simplify right side
    168.19x = 23,832.85
  5. Step 5: Solve for x
    x = 23,832.85/168.19
  6. Step 6: Final answer
    x = 141.70

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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.