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Finding the Fourth Proportional to 107,360.80, 160,911.60 and 54,743.20

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Solution

The fourth proportional to 107,360.80, 160,911.60 and 54,743.20 is: 82,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,360.80 : 160,911.60 = 54,743.20 : x
  2. Step 2: Convert to fraction form
    107,360.80/160,911.60 = 54,743.20/x
  3. Step 3: Cross multiply
    107,360.80x = 160,911.60 × 54,743.20
  4. Step 4: Simplify right side
    107,360.80x = 8,808,815,901.12
  5. Step 5: Solve for x
    x = 8,808,815,901.12/107,360.80
  6. Step 6: Final answer
    x = 82,048.72

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