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Finding the Fourth Proportional to 82,118.56, 123,179.76 and 26,718.88

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Solution

The fourth proportional to 82,118.56, 123,179.76 and 26,718.88 is: 40,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,118.56 : 123,179.76 = 26,718.88 : x
  2. Step 2: Convert to fraction form
    82,118.56/123,179.76 = 26,718.88/x
  3. Step 3: Cross multiply
    82,118.56x = 123,179.76 × 26,718.88
  4. Step 4: Simplify right side
    82,118.56x = 3,291,225,225.87
  5. Step 5: Solve for x
    x = 3,291,225,225.87/82,118.56
  6. Step 6: Final answer
    x = 40,078.94

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