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Finding the Fourth Proportional to 188,764.80, 260,488.80 and 103,879.68

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Solution

The fourth proportional to 188,764.80, 260,488.80 and 103,879.68 is: 143,350.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,764.80 : 260,488.80 = 103,879.68 : x
  2. Step 2: Convert to fraction form
    188,764.80/260,488.80 = 103,879.68/x
  3. Step 3: Cross multiply
    188,764.80x = 260,488.80 × 103,879.68
  4. Step 4: Simplify right side
    188,764.80x = 27,059,493,187.58
  5. Step 5: Solve for x
    x = 27,059,493,187.58/188,764.80
  6. Step 6: Final answer
    x = 143,350.31

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