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Finding the Fourth Proportional to 75,978.06, 113,971.94 and 29,230.92

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Solution

The fourth proportional to 75,978.06, 113,971.94 and 29,230.92 is: 43,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,978.06 : 113,971.94 = 29,230.92 : x
  2. Step 2: Convert to fraction form
    75,978.06/113,971.94 = 29,230.92/x
  3. Step 3: Cross multiply
    75,978.06x = 113,971.94 × 29,230.92
  4. Step 4: Simplify right side
    75,978.06x = 3,331,504,660.38
  5. Step 5: Solve for x
    x = 3,331,504,660.38/75,978.06
  6. Step 6: Final answer
    x = 43,848.25

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