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Finding the Fourth Proportional to 73,193.28, 109,614.88 and 69,519.20

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Solution

The fourth proportional to 73,193.28, 109,614.88 and 69,519.20 is: 104,112.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,193.28 : 109,614.88 = 69,519.20 : x
  2. Step 2: Convert to fraction form
    73,193.28/109,614.88 = 69,519.20/x
  3. Step 3: Cross multiply
    73,193.28x = 109,614.88 × 69,519.20
  4. Step 4: Simplify right side
    73,193.28x = 7,620,338,765.70
  5. Step 5: Solve for x
    x = 7,620,338,765.70/73,193.28
  6. Step 6: Final answer
    x = 104,112.55

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