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Finding the Fourth Proportional to 115,835.70, 173,865.90 and 55,906.37

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Solution

The fourth proportional to 115,835.70, 173,865.90 and 55,906.37 is: 83,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,835.70 : 173,865.90 = 55,906.37 : x
  2. Step 2: Convert to fraction form
    115,835.70/173,865.90 = 55,906.37/x
  3. Step 3: Cross multiply
    115,835.70x = 173,865.90 × 55,906.37
  4. Step 4: Simplify right side
    115,835.70x = 9,720,211,335.78
  5. Step 5: Solve for x
    x = 9,720,211,335.78/115,835.70
  6. Step 6: Final answer
    x = 83,913.78

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