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Finding the Fourth Proportional to 41,432.96, 57,179.90 and 31,205.68

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Solution

The fourth proportional to 41,432.96, 57,179.90 and 31,205.68 is: 43,065.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,432.96 : 57,179.90 = 31,205.68 : x
  2. Step 2: Convert to fraction form
    41,432.96/57,179.90 = 31,205.68/x
  3. Step 3: Cross multiply
    41,432.96x = 57,179.90 × 31,205.68
  4. Step 4: Simplify right side
    41,432.96x = 1,784,337,661.83
  5. Step 5: Solve for x
    x = 1,784,337,661.83/41,432.96
  6. Step 6: Final answer
    x = 43,065.66

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