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Finding the Fourth Proportional to 263,181.80, 394,769.03 and 63,500.51

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Solution

The fourth proportional to 263,181.80, 394,769.03 and 63,500.51 is: 95,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,181.80 : 394,769.03 = 63,500.51 : x
  2. Step 2: Convert to fraction form
    263,181.80/394,769.03 = 63,500.51/x
  3. Step 3: Cross multiply
    263,181.80x = 394,769.03 × 63,500.51
  4. Step 4: Simplify right side
    263,181.80x = 25,068,032,445.86
  5. Step 5: Solve for x
    x = 25,068,032,445.86/263,181.80
  6. Step 6: Final answer
    x = 95,249.87

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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.