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Finding the Fourth Proportional to 246.24, 369.30 and 83.92

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Solution

The fourth proportional to 246.24, 369.30 and 83.92 is: 125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.24 : 369.30 = 83.92 : x
  2. Step 2: Convert to fraction form
    246.24/369.30 = 83.92/x
  3. Step 3: Cross multiply
    246.24x = 369.30 × 83.92
  4. Step 4: Simplify right side
    246.24x = 30,991.66
  5. Step 5: Solve for x
    x = 30,991.66/246.24
  6. Step 6: Final answer
    x = 125.86

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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.