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Finding the Fourth Proportional to 268,170.39, 402,249.35 and 135,014.89

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Solution

The fourth proportional to 268,170.39, 402,249.35 and 135,014.89 is: 202,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,170.39 : 402,249.35 = 135,014.89 : x
  2. Step 2: Convert to fraction form
    268,170.39/402,249.35 = 135,014.89/x
  3. Step 3: Cross multiply
    268,170.39x = 402,249.35 × 135,014.89
  4. Step 4: Simplify right side
    268,170.39x = 54,309,652,583.17
  5. Step 5: Solve for x
    x = 54,309,652,583.17/268,170.39
  6. Step 6: Final answer
    x = 202,519.20

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