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Finding the Fourth Proportional to 63,836,711.88, 95,768,517.84 and 20,702,551.80

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Solution

The fourth proportional to 63,836,711.88, 95,768,517.84 and 20,702,551.80 is: 31,058,189.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,836,711.88 : 95,768,517.84 = 20,702,551.80 : x
  2. Step 2: Convert to fraction form
    63,836,711.88/95,768,517.84 = 20,702,551.80/x
  3. Step 3: Cross multiply
    63,836,711.88x = 95,768,517.84 × 20,702,551.80
  4. Step 4: Simplify right side
    63,836,711.88x = 1,982,652,701,391,824.25
  5. Step 5: Solve for x
    x = 1,982,652,701,391,824.25/63,836,711.88
  6. Step 6: Final answer
    x = 31,058,189.61

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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.