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Finding the Fourth Proportional to 246,681.75, 370,081.13 and 80,469.75

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Solution

The fourth proportional to 246,681.75, 370,081.13 and 80,469.75 is: 120,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,681.75 : 370,081.13 = 80,469.75 : x
  2. Step 2: Convert to fraction form
    246,681.75/370,081.13 = 80,469.75/x
  3. Step 3: Cross multiply
    246,681.75x = 370,081.13 × 80,469.75
  4. Step 4: Simplify right side
    246,681.75x = 29,780,336,010.82
  5. Step 5: Solve for x
    x = 29,780,336,010.82/246,681.75
  6. Step 6: Final answer
    x = 120,723.71

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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.