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Finding the Fourth Proportional to 80,560.77, 120,783.54 and 37,842.28

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Solution

The fourth proportional to 80,560.77, 120,783.54 and 37,842.28 is: 56,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,560.77 : 120,783.54 = 37,842.28 : x
  2. Step 2: Convert to fraction form
    80,560.77/120,783.54 = 37,842.28/x
  3. Step 3: Cross multiply
    80,560.77x = 120,783.54 × 37,842.28
  4. Step 4: Simplify right side
    80,560.77x = 4,570,724,540.07
  5. Step 5: Solve for x
    x = 4,570,724,540.07/80,560.77
  6. Step 6: Final answer
    x = 56,736.36

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