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Finding the Fourth Proportional to 48,745.70, 73,009.20 and 39,997.70

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Solution

The fourth proportional to 48,745.70, 73,009.20 and 39,997.70 is: 59,906.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.70 : 73,009.20 = 39,997.70 : x
  2. Step 2: Convert to fraction form
    48,745.70/73,009.20 = 39,997.70/x
  3. Step 3: Cross multiply
    48,745.70x = 73,009.20 × 39,997.70
  4. Step 4: Simplify right side
    48,745.70x = 2,920,200,078.84
  5. Step 5: Solve for x
    x = 2,920,200,078.84/48,745.70
  6. Step 6: Final answer
    x = 59,906.82

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