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Finding the Fourth Proportional to 120,644.07, 166,489.02 and 66,929.09

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Solution

The fourth proportional to 120,644.07, 166,489.02 and 66,929.09 is: 92,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,644.07 : 166,489.02 = 66,929.09 : x
  2. Step 2: Convert to fraction form
    120,644.07/166,489.02 = 66,929.09/x
  3. Step 3: Cross multiply
    120,644.07x = 166,489.02 × 66,929.09
  4. Step 4: Simplify right side
    120,644.07x = 11,142,958,603.59
  5. Step 5: Solve for x
    x = 11,142,958,603.59/120,644.07
  6. Step 6: Final answer
    x = 92,362.26

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