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Finding the Fourth Proportional to 232.07, 348.10 and 69.76

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Solution

The fourth proportional to 232.07, 348.10 and 69.76 is: 104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.07 : 348.10 = 69.76 : x
  2. Step 2: Convert to fraction form
    232.07/348.10 = 69.76/x
  3. Step 3: Cross multiply
    232.07x = 348.10 × 69.76
  4. Step 4: Simplify right side
    232.07x = 24,283.72
  5. Step 5: Solve for x
    x = 24,283.72/232.07
  6. Step 6: Final answer
    x = 104.64

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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.