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Finding the Fourth Proportional to 234.52, 323.74 and 179.16

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Solution

The fourth proportional to 234.52, 323.74 and 179.16 is: 247.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.52 : 323.74 = 179.16 : x
  2. Step 2: Convert to fraction form
    234.52/323.74 = 179.16/x
  3. Step 3: Cross multiply
    234.52x = 323.74 × 179.16
  4. Step 4: Simplify right side
    234.52x = 58,001.26
  5. Step 5: Solve for x
    x = 58,001.26/234.52
  6. Step 6: Final answer
    x = 247.32

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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.