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Finding the Fourth Proportional to 101,650.56, 140,264.64 and 56,938.56

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Solution

The fourth proportional to 101,650.56, 140,264.64 and 56,938.56 is: 78,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.56 : 140,264.64 = 56,938.56 : x
  2. Step 2: Convert to fraction form
    101,650.56/140,264.64 = 56,938.56/x
  3. Step 3: Cross multiply
    101,650.56x = 140,264.64 × 56,938.56
  4. Step 4: Simplify right side
    101,650.56x = 7,986,466,620.52
  5. Step 5: Solve for x
    x = 7,986,466,620.52/101,650.56
  6. Step 6: Final answer
    x = 78,567.86

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