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Finding the Fourth Proportional to 82,843.06, 124,279.20 and 30,325.90

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Solution

The fourth proportional to 82,843.06, 124,279.20 and 30,325.90 is: 45,494.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,843.06 : 124,279.20 = 30,325.90 : x
  2. Step 2: Convert to fraction form
    82,843.06/124,279.20 = 30,325.90/x
  3. Step 3: Cross multiply
    82,843.06x = 124,279.20 × 30,325.90
  4. Step 4: Simplify right side
    82,843.06x = 3,768,878,591.28
  5. Step 5: Solve for x
    x = 3,768,878,591.28/82,843.06
  6. Step 6: Final answer
    x = 45,494.20

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