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Finding the Fourth Proportional to 268,093.47, 402,198.06 and 90,596.55

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Solution

The fourth proportional to 268,093.47, 402,198.06 and 90,596.55 is: 135,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,093.47 : 402,198.06 = 90,596.55 : x
  2. Step 2: Convert to fraction form
    268,093.47/402,198.06 = 90,596.55/x
  3. Step 3: Cross multiply
    268,093.47x = 402,198.06 × 90,596.55
  4. Step 4: Simplify right side
    268,093.47x = 36,437,756,652.69
  5. Step 5: Solve for x
    x = 36,437,756,652.69/268,093.47
  6. Step 6: Final answer
    x = 135,914.38

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