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Finding the Fourth Proportional to 70,067.08, 104,912.70 and 43,719.40

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Solution

The fourth proportional to 70,067.08, 104,912.70 and 43,719.40 is: 65,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.08 : 104,912.70 = 43,719.40 : x
  2. Step 2: Convert to fraction form
    70,067.08/104,912.70 = 43,719.40/x
  3. Step 3: Cross multiply
    70,067.08x = 104,912.70 × 43,719.40
  4. Step 4: Simplify right side
    70,067.08x = 4,586,720,296.38
  5. Step 5: Solve for x
    x = 4,586,720,296.38/70,067.08
  6. Step 6: Final answer
    x = 65,461.84

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