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Finding the Fourth Proportional to 234.92, 324.34 and 176.96

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Solution

The fourth proportional to 234.92, 324.34 and 176.96 is: 244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.92 : 324.34 = 176.96 : x
  2. Step 2: Convert to fraction form
    234.92/324.34 = 176.96/x
  3. Step 3: Cross multiply
    234.92x = 324.34 × 176.96
  4. Step 4: Simplify right side
    234.92x = 57,395.21
  5. Step 5: Solve for x
    x = 57,395.21/234.92
  6. Step 6: Final answer
    x = 244.32

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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.