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Finding the Fourth Proportional to 118,334.80, 177,305.37 and 83,200.78

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Solution

The fourth proportional to 118,334.80, 177,305.37 and 83,200.78 is: 124,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334.80 : 177,305.37 = 83,200.78 : x
  2. Step 2: Convert to fraction form
    118,334.80/177,305.37 = 83,200.78/x
  3. Step 3: Cross multiply
    118,334.80x = 177,305.37 × 83,200.78
  4. Step 4: Simplify right side
    118,334.80x = 14,751,945,082.19
  5. Step 5: Solve for x
    x = 14,751,945,082.19/118,334.80
  6. Step 6: Final answer
    x = 124,662.78

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