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Finding the Fourth Proportional to 232, 320.07 and 169.96

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Solution

The fourth proportional to 232, 320.07 and 169.96 is: 234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    232 : 320.07 = 169.96 : x
  2. Step 2: Convert to fraction form
    232/320.07 = 169.96/x
  3. Step 3: Cross multiply
    232x = 320.07 × 169.96
  4. Step 4: Simplify right side
    232x = 54,399.10
  5. Step 5: Solve for x
    x = 54,399.10/232
  6. Step 6: Final answer
    x = 234.48

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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.