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Finding the Fourth Proportional to 102,781.44, 154,172.16 and 32,660.75

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Solution

The fourth proportional to 102,781.44, 154,172.16 and 32,660.75 is: 48,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,781.44 : 154,172.16 = 32,660.75 : x
  2. Step 2: Convert to fraction form
    102,781.44/154,172.16 = 32,660.75/x
  3. Step 3: Cross multiply
    102,781.44x = 154,172.16 × 32,660.75
  4. Step 4: Simplify right side
    102,781.44x = 5,035,378,760.15
  5. Step 5: Solve for x
    x = 5,035,378,760.15/102,781.44
  6. Step 6: Final answer
    x = 48,991.13

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