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Finding the Fourth Proportional to 232.59, 348.80 and 104.25

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Solution

The fourth proportional to 232.59, 348.80 and 104.25 is: 156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.59 : 348.80 = 104.25 : x
  2. Step 2: Convert to fraction form
    232.59/348.80 = 104.25/x
  3. Step 3: Cross multiply
    232.59x = 348.80 × 104.25
  4. Step 4: Simplify right side
    232.59x = 36,361.88
  5. Step 5: Solve for x
    x = 36,361.88/232.59
  6. Step 6: Final answer
    x = 156.33

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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.