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Finding the Fourth Proportional to 104,169.68, 156,183.42 and 50,105.82

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Solution

The fourth proportional to 104,169.68, 156,183.42 and 50,105.82 is: 75,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169.68 : 156,183.42 = 50,105.82 : x
  2. Step 2: Convert to fraction form
    104,169.68/156,183.42 = 50,105.82/x
  3. Step 3: Cross multiply
    104,169.68x = 156,183.42 × 50,105.82
  4. Step 4: Simplify right side
    104,169.68x = 7,825,699,103.09
  5. Step 5: Solve for x
    x = 7,825,699,103.09/104,169.68
  6. Step 6: Final answer
    x = 75,124.54

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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.