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Finding the Fourth Proportional to 96,007.60, 144,011.40 and 72,679.60

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Solution

The fourth proportional to 96,007.60, 144,011.40 and 72,679.60 is: 109,019.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,007.60 : 144,011.40 = 72,679.60 : x
  2. Step 2: Convert to fraction form
    96,007.60/144,011.40 = 72,679.60/x
  3. Step 3: Cross multiply
    96,007.60x = 144,011.40 × 72,679.60
  4. Step 4: Simplify right side
    96,007.60x = 10,466,690,947.44
  5. Step 5: Solve for x
    x = 10,466,690,947.44/96,007.60
  6. Step 6: Final answer
    x = 109,019.40

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