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Finding the Fourth Proportional to 63,220.78, 87,241.17 and 36,363.74

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Solution

The fourth proportional to 63,220.78, 87,241.17 and 36,363.74 is: 50,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,220.78 : 87,241.17 = 36,363.74 : x
  2. Step 2: Convert to fraction form
    63,220.78/87,241.17 = 36,363.74/x
  3. Step 3: Cross multiply
    63,220.78x = 87,241.17 × 36,363.74
  4. Step 4: Simplify right side
    63,220.78x = 3,172,415,086.91
  5. Step 5: Solve for x
    x = 3,172,415,086.91/63,220.78
  6. Step 6: Final answer
    x = 50,179.94

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1.5x scale

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.