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Finding the Fourth Proportional to 75,073.56, 103,639 and 43,236.31

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Solution

The fourth proportional to 75,073.56, 103,639 and 43,236.31 is: 59,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,073.56 : 103,639 = 43,236.31 : x
  2. Step 2: Convert to fraction form
    75,073.56/103,639 = 43,236.31/x
  3. Step 3: Cross multiply
    75,073.56x = 103,639 × 43,236.31
  4. Step 4: Simplify right side
    75,073.56x = 4,480,967,932.09
  5. Step 5: Solve for x
    x = 4,480,967,932.09/75,073.56
  6. Step 6: Final answer
    x = 59,687.70

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