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Finding the Fourth Proportional to 122,802.38, 184,196.06 and 72,229.38

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Solution

The fourth proportional to 122,802.38, 184,196.06 and 72,229.38 is: 108,339.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,802.38 : 184,196.06 = 72,229.38 : x
  2. Step 2: Convert to fraction form
    122,802.38/184,196.06 = 72,229.38/x
  3. Step 3: Cross multiply
    122,802.38x = 184,196.06 × 72,229.38
  4. Step 4: Simplify right side
    122,802.38x = 13,304,367,212.24
  5. Step 5: Solve for x
    x = 13,304,367,212.24/122,802.38
  6. Step 6: Final answer
    x = 108,339.65

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