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Finding the Fourth Proportional to 220,684.86, 331,076.49 and 80,443.47

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Solution

The fourth proportional to 220,684.86, 331,076.49 and 80,443.47 is: 120,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,684.86 : 331,076.49 = 80,443.47 : x
  2. Step 2: Convert to fraction form
    220,684.86/331,076.49 = 80,443.47/x
  3. Step 3: Cross multiply
    220,684.86x = 331,076.49 × 80,443.47
  4. Step 4: Simplify right side
    220,684.86x = 26,632,941,691.02
  5. Step 5: Solve for x
    x = 26,632,941,691.02/220,684.86
  6. Step 6: Final answer
    x = 120,683.14

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