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Finding the Fourth Proportional to 80,323.04, 120,499.68 and 30,418.04

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Solution

The fourth proportional to 80,323.04, 120,499.68 and 30,418.04 is: 45,632.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.04 : 120,499.68 = 30,418.04 : x
  2. Step 2: Convert to fraction form
    80,323.04/120,499.68 = 30,418.04/x
  3. Step 3: Cross multiply
    80,323.04x = 120,499.68 × 30,418.04
  4. Step 4: Simplify right side
    80,323.04x = 3,665,364,086.23
  5. Step 5: Solve for x
    x = 3,665,364,086.23/80,323.04
  6. Step 6: Final answer
    x = 45,632.79

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