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Finding the Fourth Proportional to 265,899.36, 398,924.64 and 108,240.96

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Solution

The fourth proportional to 265,899.36, 398,924.64 and 108,240.96 is: 162,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,899.36 : 398,924.64 = 108,240.96 : x
  2. Step 2: Convert to fraction form
    265,899.36/398,924.64 = 108,240.96/x
  3. Step 3: Cross multiply
    265,899.36x = 398,924.64 × 108,240.96
  4. Step 4: Simplify right side
    265,899.36x = 43,179,986,001.25
  5. Step 5: Solve for x
    x = 43,179,986,001.25/265,899.36
  6. Step 6: Final answer
    x = 162,392.21

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