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Finding the Fourth Proportional to 82,327.72, 123,360.36 and 52,721.20

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Solution

The fourth proportional to 82,327.72, 123,360.36 and 52,721.20 is: 78,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,327.72 : 123,360.36 = 52,721.20 : x
  2. Step 2: Convert to fraction form
    82,327.72/123,360.36 = 52,721.20/x
  3. Step 3: Cross multiply
    82,327.72x = 123,360.36 × 52,721.20
  4. Step 4: Simplify right side
    82,327.72x = 6,503,706,211.63
  5. Step 5: Solve for x
    x = 6,503,706,211.63/82,327.72
  6. Step 6: Final answer
    x = 78,997.77

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