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Finding the Fourth Proportional to 65,893,105.95, 90,936,863.22 and 36,525,676.29

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Solution

The fourth proportional to 65,893,105.95, 90,936,863.22 and 36,525,676.29 is: 50,407,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,893,105.95 : 90,936,863.22 = 36,525,676.29 : x
  2. Step 2: Convert to fraction form
    65,893,105.95/90,936,863.22 = 36,525,676.29/x
  3. Step 3: Cross multiply
    65,893,105.95x = 90,936,863.22 × 36,525,676.29
  4. Step 4: Simplify right side
    65,893,105.95x = 3,321,530,428,801,727
  5. Step 5: Solve for x
    x = 3,321,530,428,801,727/65,893,105.95
  6. Step 6: Final answer
    x = 50,407,859.53

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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.