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Finding the Fourth Proportional to 232.93, 349.28 and 70.57

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Solution

The fourth proportional to 232.93, 349.28 and 70.57 is: 105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.93 : 349.28 = 70.57 : x
  2. Step 2: Convert to fraction form
    232.93/349.28 = 70.57/x
  3. Step 3: Cross multiply
    232.93x = 349.28 × 70.57
  4. Step 4: Simplify right side
    232.93x = 24,648.69
  5. Step 5: Solve for x
    x = 24,648.69/232.93
  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.