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Finding the Fourth Proportional to 320,707.27, 481,043.76 and 121,014.73

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Solution

The fourth proportional to 320,707.27, 481,043.76 and 121,014.73 is: 181,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,707.27 : 481,043.76 = 121,014.73 : x
  2. Step 2: Convert to fraction form
    320,707.27/481,043.76 = 121,014.73/x
  3. Step 3: Cross multiply
    320,707.27x = 481,043.76 × 121,014.73
  4. Step 4: Simplify right side
    320,707.27x = 58,213,380,734.58
  5. Step 5: Solve for x
    x = 58,213,380,734.58/320,707.27
  6. Step 6: Final answer
    x = 181,515.63

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