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Finding the Fourth Proportional to 57,508,582.75, 86,198,978.18 and 43,816,589.70

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Solution

The fourth proportional to 57,508,582.75, 86,198,978.18 and 43,816,589.70 is: 65,676,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508,582.75 : 86,198,978.18 = 43,816,589.70 : x
  2. Step 2: Convert to fraction form
    57,508,582.75/86,198,978.18 = 43,816,589.70/x
  3. Step 3: Cross multiply
    57,508,582.75x = 86,198,978.18 × 43,816,589.70
  4. Step 4: Simplify right side
    57,508,582.75x = 3,776,945,259,472,313.50
  5. Step 5: Solve for x
    x = 3,776,945,259,472,313.50/57,508,582.75
  6. Step 6: Final answer
    x = 65,676,201.34

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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.