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Finding the Fourth Proportional to 111,772.36, 154,309.62 and 74,097.64

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Solution

The fourth proportional to 111,772.36, 154,309.62 and 74,097.64 is: 102,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,772.36 : 154,309.62 = 74,097.64 : x
  2. Step 2: Convert to fraction form
    111,772.36/154,309.62 = 74,097.64/x
  3. Step 3: Cross multiply
    111,772.36x = 154,309.62 × 74,097.64
  4. Step 4: Simplify right side
    111,772.36x = 11,433,978,671.30
  5. Step 5: Solve for x
    x = 11,433,978,671.30/111,772.36
  6. Step 6: Final answer
    x = 102,297.01

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