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Finding the Fourth Proportional to 115,935.90, 173,860.65 and 80,771.10

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Solution

The fourth proportional to 115,935.90, 173,860.65 and 80,771.10 is: 121,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,935.90 : 173,860.65 = 80,771.10 : x
  2. Step 2: Convert to fraction form
    115,935.90/173,860.65 = 80,771.10/x
  3. Step 3: Cross multiply
    115,935.90x = 173,860.65 × 80,771.10
  4. Step 4: Simplify right side
    115,935.90x = 14,042,915,947.22
  5. Step 5: Solve for x
    x = 14,042,915,947.22/115,935.90
  6. Step 6: Final answer
    x = 121,126.55

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