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Finding the Fourth Proportional to 170,601.21, 255,376.94 and 111,309.21

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Solution

The fourth proportional to 170,601.21, 255,376.94 and 111,309.21 is: 166,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,601.21 : 255,376.94 = 111,309.21 : x
  2. Step 2: Convert to fraction form
    170,601.21/255,376.94 = 111,309.21/x
  3. Step 3: Cross multiply
    170,601.21x = 255,376.94 × 111,309.21
  4. Step 4: Simplify right side
    170,601.21x = 28,425,804,887.07
  5. Step 5: Solve for x
    x = 28,425,804,887.07/170,601.21
  6. Step 6: Final answer
    x = 166,621.36

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