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Finding the Fourth Proportional to 172,879.92, 259,436.52 and 67,685.76

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Solution

The fourth proportional to 172,879.92, 259,436.52 and 67,685.76 is: 101,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,879.92 : 259,436.52 = 67,685.76 : x
  2. Step 2: Convert to fraction form
    172,879.92/259,436.52 = 67,685.76/x
  3. Step 3: Cross multiply
    172,879.92x = 259,436.52 × 67,685.76
  4. Step 4: Simplify right side
    172,879.92x = 17,560,158,027.96
  5. Step 5: Solve for x
    x = 17,560,158,027.96/172,879.92
  6. Step 6: Final answer
    x = 101,574.31

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