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Finding the Fourth Proportional to 105,916.56, 158,874.74 and 27,030.80

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Solution

The fourth proportional to 105,916.56, 158,874.74 and 27,030.80 is: 40,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,916.56 : 158,874.74 = 27,030.80 : x
  2. Step 2: Convert to fraction form
    105,916.56/158,874.74 = 27,030.80/x
  3. Step 3: Cross multiply
    105,916.56x = 158,874.74 × 27,030.80
  4. Step 4: Simplify right side
    105,916.56x = 4,294,511,321.99
  5. Step 5: Solve for x
    x = 4,294,511,321.99/105,916.56
  6. Step 6: Final answer
    x = 40,546.17

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