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Finding the Fourth Proportional to 57,940,986.80, 86,911,480.20 and 22,034,529.20

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Solution

The fourth proportional to 57,940,986.80, 86,911,480.20 and 22,034,529.20 is: 33,051,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,940,986.80 : 86,911,480.20 = 22,034,529.20 : x
  2. Step 2: Convert to fraction form
    57,940,986.80/86,911,480.20 = 22,034,529.20/x
  3. Step 3: Cross multiply
    57,940,986.80x = 86,911,480.20 × 22,034,529.20
  4. Step 4: Simplify right side
    57,940,986.80x = 1,915,053,548,282,121.75
  5. Step 5: Solve for x
    x = 1,915,053,548,282,121.75/57,940,986.80
  6. Step 6: Final answer
    x = 33,051,793.80

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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.