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Finding the Fourth Proportional to 107,880.36, 161,803.20 and 45,542.76

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Solution

The fourth proportional to 107,880.36, 161,803.20 and 45,542.76 is: 68,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,880.36 : 161,803.20 = 45,542.76 : x
  2. Step 2: Convert to fraction form
    107,880.36/161,803.20 = 45,542.76/x
  3. Step 3: Cross multiply
    107,880.36x = 161,803.20 × 45,542.76
  4. Step 4: Simplify right side
    107,880.36x = 7,368,964,304.83
  5. Step 5: Solve for x
    x = 7,368,964,304.83/107,880.36
  6. Step 6: Final answer
    x = 68,306.82

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