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Finding the Fourth Proportional to 71,794.80, 99,075.96 and 41,986.80

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Solution

The fourth proportional to 71,794.80, 99,075.96 and 41,986.80 is: 57,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,794.80 : 99,075.96 = 41,986.80 : x
  2. Step 2: Convert to fraction form
    71,794.80/99,075.96 = 41,986.80/x
  3. Step 3: Cross multiply
    71,794.80x = 99,075.96 × 41,986.80
  4. Step 4: Simplify right side
    71,794.80x = 4,159,882,517.33
  5. Step 5: Solve for x
    x = 4,159,882,517.33/71,794.80
  6. Step 6: Final answer
    x = 57,941.28

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