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Finding the Fourth Proportional to 85,371.37, 117,819.46 and 47,134.41

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Solution

The fourth proportional to 85,371.37, 117,819.46 and 47,134.41 is: 65,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,371.37 : 117,819.46 = 47,134.41 : x
  2. Step 2: Convert to fraction form
    85,371.37/117,819.46 = 47,134.41/x
  3. Step 3: Cross multiply
    85,371.37x = 117,819.46 × 47,134.41
  4. Step 4: Simplify right side
    85,371.37x = 5,553,350,350.71
  5. Step 5: Solve for x
    x = 5,553,350,350.71/85,371.37
  6. Step 6: Final answer
    x = 65,049.33

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