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Finding the Fourth Proportional to 232.22, 320.51 and 133.97

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Solution

The fourth proportional to 232.22, 320.51 and 133.97 is: 184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 320.51 = 133.97 : x
  2. Step 2: Convert to fraction form
    232.22/320.51 = 133.97/x
  3. Step 3: Cross multiply
    232.22x = 320.51 × 133.97
  4. Step 4: Simplify right side
    232.22x = 42,936.45
  5. Step 5: Solve for x
    x = 42,936.45/232.22
  6. Step 6: Final answer
    x = 184.90

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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.