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Finding the Fourth Proportional to 280,159.75, 386,620.46 and 179,557.75

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Solution

The fourth proportional to 280,159.75, 386,620.46 and 179,557.75 is: 247,789.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,159.75 : 386,620.46 = 179,557.75 : x
  2. Step 2: Convert to fraction form
    280,159.75/386,620.46 = 179,557.75/x
  3. Step 3: Cross multiply
    280,159.75x = 386,620.46 × 179,557.75
  4. Step 4: Simplify right side
    280,159.75x = 69,420,699,901.57
  5. Step 5: Solve for x
    x = 69,420,699,901.57/280,159.75
  6. Step 6: Final answer
    x = 247,789.70

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