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Finding the Fourth Proportional to 232.98, 349.41 and 141.66

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Solution

The fourth proportional to 232.98, 349.41 and 141.66 is: 212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.98 : 349.41 = 141.66 : x
  2. Step 2: Convert to fraction form
    232.98/349.41 = 141.66/x
  3. Step 3: Cross multiply
    232.98x = 349.41 × 141.66
  4. Step 4: Simplify right side
    232.98x = 49,497.42
  5. Step 5: Solve for x
    x = 49,497.42/232.98
  6. Step 6: Final answer
    x = 212.45

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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.