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Finding the Fourth Proportional to 232.06, 348.09 and 155.52

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Solution

The fourth proportional to 232.06, 348.09 and 155.52 is: 233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.06 : 348.09 = 155.52 : x
  2. Step 2: Convert to fraction form
    232.06/348.09 = 155.52/x
  3. Step 3: Cross multiply
    232.06x = 348.09 × 155.52
  4. Step 4: Simplify right side
    232.06x = 54,134.96
  5. Step 5: Solve for x
    x = 54,134.96/232.06
  6. Step 6: Final answer
    x = 233.28

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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.