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Finding the Fourth Proportional to 232.52, 321 and 170.54

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Solution

The fourth proportional to 232.52, 321 and 170.54 is: 235.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.52 : 321 = 170.54 : x
  2. Step 2: Convert to fraction form
    232.52/321 = 170.54/x
  3. Step 3: Cross multiply
    232.52x = 321 × 170.54
  4. Step 4: Simplify right side
    232.52x = 54,743.34
  5. Step 5: Solve for x
    x = 54,743.34/232.52
  6. Step 6: Final answer
    x = 235.43

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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.