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Finding the Fourth Proportional to 80,692.35, 111,378.88 and 53,834.78

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Solution

The fourth proportional to 80,692.35, 111,378.88 and 53,834.78 is: 74,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,692.35 : 111,378.88 = 53,834.78 : x
  2. Step 2: Convert to fraction form
    80,692.35/111,378.88 = 53,834.78/x
  3. Step 3: Cross multiply
    80,692.35x = 111,378.88 × 53,834.78
  4. Step 4: Simplify right side
    80,692.35x = 5,996,057,847.19
  5. Step 5: Solve for x
    x = 5,996,057,847.19/80,692.35
  6. Step 6: Final answer
    x = 74,307.64

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