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Finding the Fourth Proportional to 232.26, 348.21 and 140.93

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Solution

The fourth proportional to 232.26, 348.21 and 140.93 is: 211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.26 : 348.21 = 140.93 : x
  2. Step 2: Convert to fraction form
    232.26/348.21 = 140.93/x
  3. Step 3: Cross multiply
    232.26x = 348.21 × 140.93
  4. Step 4: Simplify right side
    232.26x = 49,074.63
  5. Step 5: Solve for x
    x = 49,074.63/232.26
  6. Step 6: Final answer
    x = 211.29

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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.