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Finding the Fourth Proportional to 246,778.50, 370,167.78 and 80,566.50

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Solution

The fourth proportional to 246,778.50, 370,167.78 and 80,566.50 is: 120,849.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,778.50 : 370,167.78 = 80,566.50 : x
  2. Step 2: Convert to fraction form
    246,778.50/370,167.78 = 80,566.50/x
  3. Step 3: Cross multiply
    246,778.50x = 370,167.78 × 80,566.50
  4. Step 4: Simplify right side
    246,778.50x = 29,823,122,447.37
  5. Step 5: Solve for x
    x = 29,823,122,447.37/246,778.50
  6. Step 6: Final answer
    x = 120,849.76

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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.