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Finding the Fourth Proportional to 74,783.77, 103,201.92 and 40,793.00

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Solution

The fourth proportional to 74,783.77, 103,201.92 and 40,793.00 is: 56,294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.77 : 103,201.92 = 40,793.00 : x
  2. Step 2: Convert to fraction form
    74,783.77/103,201.92 = 40,793.00/x
  3. Step 3: Cross multiply
    74,783.77x = 103,201.92 × 40,793.00
  4. Step 4: Simplify right side
    74,783.77x = 4,209,915,406.55
  5. Step 5: Solve for x
    x = 4,209,915,406.55/74,783.77
  6. Step 6: Final answer
    x = 56,294.51

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