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Finding the Fourth Proportional to 232.82, 349.25 and 70.55

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Solution

The fourth proportional to 232.82, 349.25 and 70.55 is: 105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.82 : 349.25 = 70.55 : x
  2. Step 2: Convert to fraction form
    232.82/349.25 = 70.55/x
  3. Step 3: Cross multiply
    232.82x = 349.25 × 70.55
  4. Step 4: Simplify right side
    232.82x = 24,637.49
  5. Step 5: Solve for x
    x = 24,637.49/232.82
  6. Step 6: Final answer
    x = 105.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.