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Finding the Fourth Proportional to 483,131.05, 724,734.61 and 128,145.11

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Solution

The fourth proportional to 483,131.05, 724,734.61 and 128,145.11 is: 192,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,131.05 : 724,734.61 = 128,145.11 : x
  2. Step 2: Convert to fraction form
    483,131.05/724,734.61 = 128,145.11/x
  3. Step 3: Cross multiply
    483,131.05x = 724,734.61 × 128,145.11
  4. Step 4: Simplify right side
    483,131.05x = 92,871,192,375.22
  5. Step 5: Solve for x
    x = 92,871,192,375.22/483,131.05
  6. Step 6: Final answer
    x = 192,227.75

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