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Finding the Fourth Proportional to 232.23, 320.48 and 132.64

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Solution

The fourth proportional to 232.23, 320.48 and 132.64 is: 183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.23 : 320.48 = 132.64 : x
  2. Step 2: Convert to fraction form
    232.23/320.48 = 132.64/x
  3. Step 3: Cross multiply
    232.23x = 320.48 × 132.64
  4. Step 4: Simplify right side
    232.23x = 42,508.47
  5. Step 5: Solve for x
    x = 42,508.47/232.23
  6. Step 6: Final answer
    x = 183.04

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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.