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Finding the Fourth Proportional to 110,905.56, 166,297.55 and 54,621.90

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Solution

The fourth proportional to 110,905.56, 166,297.55 and 54,621.90 is: 81,902.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,905.56 : 166,297.55 = 54,621.90 : x
  2. Step 2: Convert to fraction form
    110,905.56/166,297.55 = 54,621.90/x
  3. Step 3: Cross multiply
    110,905.56x = 166,297.55 × 54,621.90
  4. Step 4: Simplify right side
    110,905.56x = 9,083,487,873.24
  5. Step 5: Solve for x
    x = 9,083,487,873.24/110,905.56
  6. Step 6: Final answer
    x = 81,902.91

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