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Finding the Fourth Proportional to 232.02, 348.08 and 69.69

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Solution

The fourth proportional to 232.02, 348.08 and 69.69 is: 104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.02 : 348.08 = 69.69 : x
  2. Step 2: Convert to fraction form
    232.02/348.08 = 69.69/x
  3. Step 3: Cross multiply
    232.02x = 348.08 × 69.69
  4. Step 4: Simplify right side
    232.02x = 24,257.35
  5. Step 5: Solve for x
    x = 24,257.35/232.02
  6. Step 6: Final answer
    x = 104.55

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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.