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Finding the Fourth Proportional to 79,309.71, 109,447.47 and 43,500.42

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Solution

The fourth proportional to 79,309.71, 109,447.47 and 43,500.42 is: 60,030.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,309.71 : 109,447.47 = 43,500.42 : x
  2. Step 2: Convert to fraction form
    79,309.71/109,447.47 = 43,500.42/x
  3. Step 3: Cross multiply
    79,309.71x = 109,447.47 × 43,500.42
  4. Step 4: Simplify right side
    79,309.71x = 4,761,010,912.94
  5. Step 5: Solve for x
    x = 4,761,010,912.94/79,309.71
  6. Step 6: Final answer
    x = 60,030.62

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