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Finding the Fourth Proportional to 73,040.94, 109,583.28 and 30,939.57

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Solution

The fourth proportional to 73,040.94, 109,583.28 and 30,939.57 is: 46,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,040.94 : 109,583.28 = 30,939.57 : x
  2. Step 2: Convert to fraction form
    73,040.94/109,583.28 = 30,939.57/x
  3. Step 3: Cross multiply
    73,040.94x = 109,583.28 × 30,939.57
  4. Step 4: Simplify right side
    73,040.94x = 3,390,459,562.39
  5. Step 5: Solve for x
    x = 3,390,459,562.39/73,040.94
  6. Step 6: Final answer
    x = 46,418.62

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