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Finding the Fourth Proportional to 263,471.10, 395,162.01 and 73,887.90

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Solution

The fourth proportional to 263,471.10, 395,162.01 and 73,887.90 is: 110,819.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,471.10 : 395,162.01 = 73,887.90 : x
  2. Step 2: Convert to fraction form
    263,471.10/395,162.01 = 73,887.90/x
  3. Step 3: Cross multiply
    263,471.10x = 395,162.01 × 73,887.90
  4. Step 4: Simplify right side
    263,471.10x = 29,197,691,078.68
  5. Step 5: Solve for x
    x = 29,197,691,078.68/263,471.10
  6. Step 6: Final answer
    x = 110,819.33

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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.