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Finding the Fourth Proportional to 232.28, 348.58 and 103.96

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Solution

The fourth proportional to 232.28, 348.58 and 103.96 is: 156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.28 : 348.58 = 103.96 : x
  2. Step 2: Convert to fraction form
    232.28/348.58 = 103.96/x
  3. Step 3: Cross multiply
    232.28x = 348.58 × 103.96
  4. Step 4: Simplify right side
    232.28x = 36,238.38
  5. Step 5: Solve for x
    x = 36,238.38/232.28
  6. Step 6: Final answer
    x = 156.01

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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.