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Finding the Fourth Proportional to 75,847.79, 104,669.21 and 41,856.59

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Solution

The fourth proportional to 75,847.79, 104,669.21 and 41,856.59 is: 57,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,847.79 : 104,669.21 = 41,856.59 : x
  2. Step 2: Convert to fraction form
    75,847.79/104,669.21 = 41,856.59/x
  3. Step 3: Cross multiply
    75,847.79x = 104,669.21 × 41,856.59
  4. Step 4: Simplify right side
    75,847.79x = 4,381,095,789.89
  5. Step 5: Solve for x
    x = 4,381,095,789.89/75,847.79
  6. Step 6: Final answer
    x = 57,761.68

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