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Finding the Fourth Proportional to 234.27, 323.13 and 164.46

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Solution

The fourth proportional to 234.27, 323.13 and 164.46 is: 226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.27 : 323.13 = 164.46 : x
  2. Step 2: Convert to fraction form
    234.27/323.13 = 164.46/x
  3. Step 3: Cross multiply
    234.27x = 323.13 × 164.46
  4. Step 4: Simplify right side
    234.27x = 53,141.96
  5. Step 5: Solve for x
    x = 53,141.96/234.27
  6. Step 6: Final answer
    x = 226.84

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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.