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Finding the Fourth Proportional to 188,029.44, 259,468.56 and 103,128.48

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Solution

The fourth proportional to 188,029.44, 259,468.56 and 103,128.48 is: 142,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,029.44 : 259,468.56 = 103,128.48 : x
  2. Step 2: Convert to fraction form
    188,029.44/259,468.56 = 103,128.48/x
  3. Step 3: Cross multiply
    188,029.44x = 259,468.56 × 103,128.48
  4. Step 4: Simplify right side
    188,029.44x = 26,758,598,200.59
  5. Step 5: Solve for x
    x = 26,758,598,200.59/188,029.44
  6. Step 6: Final answer
    x = 142,310.68

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