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Finding the Fourth Proportional to 81,622.08, 112,601.34 and 54,736.56

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Solution

The fourth proportional to 81,622.08, 112,601.34 and 54,736.56 is: 75,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,622.08 : 112,601.34 = 54,736.56 : x
  2. Step 2: Convert to fraction form
    81,622.08/112,601.34 = 54,736.56/x
  3. Step 3: Cross multiply
    81,622.08x = 112,601.34 × 54,736.56
  4. Step 4: Simplify right side
    81,622.08x = 6,163,410,002.99
  5. Step 5: Solve for x
    x = 6,163,410,002.99/81,622.08
  6. Step 6: Final answer
    x = 75,511.55

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