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Finding the Fourth Proportional to 276,857.16, 415,216.62 and 89,922.12

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Solution

The fourth proportional to 276,857.16, 415,216.62 and 89,922.12 is: 134,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,857.16 : 415,216.62 = 89,922.12 : x
  2. Step 2: Convert to fraction form
    276,857.16/415,216.62 = 89,922.12/x
  3. Step 3: Cross multiply
    276,857.16x = 415,216.62 × 89,922.12
  4. Step 4: Simplify right side
    276,857.16x = 37,337,158,729.63
  5. Step 5: Solve for x
    x = 37,337,158,729.63/276,857.16
  6. Step 6: Final answer
    x = 134,860.73

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