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Finding the Fourth Proportional to 234.54, 323.16 and 168.93

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Solution

The fourth proportional to 234.54, 323.16 and 168.93 is: 232.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.54 : 323.16 = 168.93 : x
  2. Step 2: Convert to fraction form
    234.54/323.16 = 168.93/x
  3. Step 3: Cross multiply
    234.54x = 323.16 × 168.93
  4. Step 4: Simplify right side
    234.54x = 54,591.42
  5. Step 5: Solve for x
    x = 54,591.42/234.54
  6. Step 6: Final answer
    x = 232.76

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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.