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Finding the Fourth Proportional to 57,814.80, 86,722.20 and 44,692.80

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Solution

The fourth proportional to 57,814.80, 86,722.20 and 44,692.80 is: 67,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.80 : 86,722.20 = 44,692.80 : x
  2. Step 2: Convert to fraction form
    57,814.80/86,722.20 = 44,692.80/x
  3. Step 3: Cross multiply
    57,814.80x = 86,722.20 × 44,692.80
  4. Step 4: Simplify right side
    57,814.80x = 3,875,857,940.16
  5. Step 5: Solve for x
    x = 3,875,857,940.16/57,814.80
  6. Step 6: Final answer
    x = 67,039.20

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