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Finding the Fourth Proportional to 73,183.96, 100,993.84 and 39,649.96

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Solution

The fourth proportional to 73,183.96, 100,993.84 and 39,649.96 is: 54,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,183.96 : 100,993.84 = 39,649.96 : x
  2. Step 2: Convert to fraction form
    73,183.96/100,993.84 = 39,649.96/x
  3. Step 3: Cross multiply
    73,183.96x = 100,993.84 × 39,649.96
  4. Step 4: Simplify right side
    73,183.96x = 4,004,401,716.25
  5. Step 5: Solve for x
    x = 4,004,401,716.25/73,183.96
  6. Step 6: Final answer
    x = 54,716.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.