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Finding the Fourth Proportional to 105,576.52, 145,695.78 and 57,829.96

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Solution

The fourth proportional to 105,576.52, 145,695.78 and 57,829.96 is: 79,805.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,576.52 : 145,695.78 = 57,829.96 : x
  2. Step 2: Convert to fraction form
    105,576.52/145,695.78 = 57,829.96/x
  3. Step 3: Cross multiply
    105,576.52x = 145,695.78 × 57,829.96
  4. Step 4: Simplify right side
    105,576.52x = 8,425,581,129.57
  5. Step 5: Solve for x
    x = 8,425,581,129.57/105,576.52
  6. Step 6: Final answer
    x = 79,805.44

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