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Finding the Fourth Proportional to 57,919,505.80, 86,890,922.70 and 16,978,865.80

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Solution

The fourth proportional to 57,919,505.80, 86,890,922.70 and 16,978,865.80 is: 25,471,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,919,505.80 : 86,890,922.70 = 16,978,865.80 : x
  2. Step 2: Convert to fraction form
    57,919,505.80/86,890,922.70 = 16,978,865.80/x
  3. Step 3: Cross multiply
    57,919,505.80x = 86,890,922.70 × 16,978,865.80
  4. Step 4: Simplify right side
    57,919,505.80x = 1,475,309,315,761,473.75
  5. Step 5: Solve for x
    x = 1,475,309,315,761,473.75/57,919,505.80
  6. Step 6: Final answer
    x = 25,471,717.95

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Why These Related Problems?

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