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Finding the Fourth Proportional to 74,161.49, 111,241.35 and 18,002.16

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Solution

The fourth proportional to 74,161.49, 111,241.35 and 18,002.16 is: 27,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161.49 : 111,241.35 = 18,002.16 : x
  2. Step 2: Convert to fraction form
    74,161.49/111,241.35 = 18,002.16/x
  3. Step 3: Cross multiply
    74,161.49x = 111,241.35 × 18,002.16
  4. Step 4: Simplify right side
    74,161.49x = 2,002,584,581.32
  5. Step 5: Solve for x
    x = 2,002,584,581.32/74,161.49
  6. Step 6: Final answer
    x = 27,003.03

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