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Finding the Fourth Proportional to 131,868,789.75, 181,978,929.86 and 73,140,447.69

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Solution

The fourth proportional to 131,868,789.75, 181,978,929.86 and 73,140,447.69 is: 100,933,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,789.75 : 181,978,929.86 = 73,140,447.69 : x
  2. Step 2: Convert to fraction form
    131,868,789.75/181,978,929.86 = 73,140,447.69/x
  3. Step 3: Cross multiply
    131,868,789.75x = 181,978,929.86 × 73,140,447.69
  4. Step 4: Simplify right side
    131,868,789.75x = 13,310,020,399,741,806
  5. Step 5: Solve for x
    x = 13,310,020,399,741,806/131,868,789.75
  6. Step 6: Final answer
    x = 100,933,817.81

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