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Finding the Fourth Proportional to 318,022.32, 477,055.56 and 107,589.12

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Solution

The fourth proportional to 318,022.32, 477,055.56 and 107,589.12 is: 161,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,022.32 : 477,055.56 = 107,589.12 : x
  2. Step 2: Convert to fraction form
    318,022.32/477,055.56 = 107,589.12/x
  3. Step 3: Cross multiply
    318,022.32x = 477,055.56 × 107,589.12
  4. Step 4: Simplify right side
    318,022.32x = 51,325,987,891.51
  5. Step 5: Solve for x
    x = 51,325,987,891.51/318,022.32
  6. Step 6: Final answer
    x = 161,391.15

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