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Finding the Fourth Proportional to 82,694.80, 123,905.40 and 47,573.20

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Solution

The fourth proportional to 82,694.80, 123,905.40 and 47,573.20 is: 71,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,694.80 : 123,905.40 = 47,573.20 : x
  2. Step 2: Convert to fraction form
    82,694.80/123,905.40 = 47,573.20/x
  3. Step 3: Cross multiply
    82,694.80x = 123,905.40 × 47,573.20
  4. Step 4: Simplify right side
    82,694.80x = 5,894,576,375.28
  5. Step 5: Solve for x
    x = 5,894,576,375.28/82,694.80
  6. Step 6: Final answer
    x = 71,281.10

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