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Finding the Fourth Proportional to 74,226.28, 111,339.64 and 18,066.39

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Solution

The fourth proportional to 74,226.28, 111,339.64 and 18,066.39 is: 27,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,226.28 : 111,339.64 = 18,066.39 : x
  2. Step 2: Convert to fraction form
    74,226.28/111,339.64 = 18,066.39/x
  3. Step 3: Cross multiply
    74,226.28x = 111,339.64 × 18,066.39
  4. Step 4: Simplify right side
    74,226.28x = 2,011,505,381.28
  5. Step 5: Solve for x
    x = 2,011,505,381.28/74,226.28
  6. Step 6: Final answer
    x = 27,099.64

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