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Finding the Fourth Proportional to 263,181.55, 394,768.65 and 63,500.26

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Solution

The fourth proportional to 263,181.55, 394,768.65 and 63,500.26 is: 95,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,181.55 : 394,768.65 = 63,500.26 : x
  2. Step 2: Convert to fraction form
    263,181.55/394,768.65 = 63,500.26/x
  3. Step 3: Cross multiply
    263,181.55x = 394,768.65 × 63,500.26
  4. Step 4: Simplify right side
    263,181.55x = 25,067,909,941.01
  5. Step 5: Solve for x
    x = 25,067,909,941.01/263,181.55
  6. Step 6: Final answer
    x = 95,249.50

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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.