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Finding the Fourth Proportional to 232.22, 348.26 and 69.86

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Solution

The fourth proportional to 232.22, 348.26 and 69.86 is: 104.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.22 : 348.26 = 69.86 : x
  2. Step 2: Convert to fraction form
    232.22/348.26 = 69.86/x
  3. Step 3: Cross multiply
    232.22x = 348.26 × 69.86
  4. Step 4: Simplify right side
    232.22x = 24,329.44
  5. Step 5: Solve for x
    x = 24,329.44/232.22
  6. Step 6: Final answer
    x = 104.77

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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.