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Finding the Fourth Proportional to 63,969,549.88, 95,954,605.78 and 20,250,523.32

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Solution

The fourth proportional to 63,969,549.88, 95,954,605.78 and 20,250,523.32 is: 30,375,873.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,969,549.88 : 95,954,605.78 = 20,250,523.32 : x
  2. Step 2: Convert to fraction form
    63,969,549.88/95,954,605.78 = 20,250,523.32/x
  3. Step 3: Cross multiply
    63,969,549.88x = 95,954,605.78 × 20,250,523.32
  4. Step 4: Simplify right side
    63,969,549.88x = 1,943,130,982,009,296.75
  5. Step 5: Solve for x
    x = 1,943,130,982,009,296.75/63,969,549.88
  6. Step 6: Final answer
    x = 30,375,873.92

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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.