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Finding the Fourth Proportional to 107,311.80, 160,838.10 and 54,694.20

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Solution

The fourth proportional to 107,311.80, 160,838.10 and 54,694.20 is: 81,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,311.80 : 160,838.10 = 54,694.20 : x
  2. Step 2: Convert to fraction form
    107,311.80/160,838.10 = 54,694.20/x
  3. Step 3: Cross multiply
    107,311.80x = 160,838.10 × 54,694.20
  4. Step 4: Simplify right side
    107,311.80x = 8,796,911,209.02
  5. Step 5: Solve for x
    x = 8,796,911,209.02/107,311.80
  6. Step 6: Final answer
    x = 81,975.25

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