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Finding the Fourth Proportional to 236,221.70, 325,987.42 and 128,793.52

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Solution

The fourth proportional to 236,221.70, 325,987.42 and 128,793.52 is: 177,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,221.70 : 325,987.42 = 128,793.52 : x
  2. Step 2: Convert to fraction form
    236,221.70/325,987.42 = 128,793.52/x
  3. Step 3: Cross multiply
    236,221.70x = 325,987.42 × 128,793.52
  4. Step 4: Simplify right side
    236,221.70x = 41,985,067,297.52
  5. Step 5: Solve for x
    x = 41,985,067,297.52/236,221.70
  6. Step 6: Final answer
    x = 177,735.86

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