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Finding the Fourth Proportional to 72,987.82, 109,481.05 and 23,067.93

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Solution

The fourth proportional to 72,987.82, 109,481.05 and 23,067.93 is: 34,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,987.82 : 109,481.05 = 23,067.93 : x
  2. Step 2: Convert to fraction form
    72,987.82/109,481.05 = 23,067.93/x
  3. Step 3: Cross multiply
    72,987.82x = 109,481.05 × 23,067.93
  4. Step 4: Simplify right side
    72,987.82x = 2,525,501,197.73
  5. Step 5: Solve for x
    x = 2,525,501,197.73/72,987.82
  6. Step 6: Final answer
    x = 34,601.68

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