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Finding the Fourth Proportional to 322,756.80, 484,138.72 and 98,153.76

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Solution

The fourth proportional to 322,756.80, 484,138.72 and 98,153.76 is: 147,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,756.80 : 484,138.72 = 98,153.76 : x
  2. Step 2: Convert to fraction form
    322,756.80/484,138.72 = 98,153.76/x
  3. Step 3: Cross multiply
    322,756.80x = 484,138.72 × 98,153.76
  4. Step 4: Simplify right side
    322,756.80x = 47,520,035,729.59
  5. Step 5: Solve for x
    x = 47,520,035,729.59/322,756.80
  6. Step 6: Final answer
    x = 147,231.71

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