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Finding the Fourth Proportional to 240,556.25, 360,914.54 and 80,647.99

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Solution

The fourth proportional to 240,556.25, 360,914.54 and 80,647.99 is: 120,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,556.25 : 360,914.54 = 80,647.99 : x
  2. Step 2: Convert to fraction form
    240,556.25/360,914.54 = 80,647.99/x
  3. Step 3: Cross multiply
    240,556.25x = 360,914.54 × 80,647.99
  4. Step 4: Simplify right side
    240,556.25x = 29,107,032,212.77
  5. Step 5: Solve for x
    x = 29,107,032,212.77/240,556.25
  6. Step 6: Final answer
    x = 120,998.86

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