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Finding the Fourth Proportional to 104,609.37, 156,866.22 and 57,240.78

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Solution

The fourth proportional to 104,609.37, 156,866.22 and 57,240.78 is: 85,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,609.37 : 156,866.22 = 57,240.78 : x
  2. Step 2: Convert to fraction form
    104,609.37/156,866.22 = 57,240.78/x
  3. Step 3: Cross multiply
    104,609.37x = 156,866.22 × 57,240.78
  4. Step 4: Simplify right side
    104,609.37x = 8,979,144,200.20
  5. Step 5: Solve for x
    x = 8,979,144,200.20/104,609.37
  6. Step 6: Final answer
    x = 85,834.99

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