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Finding the Fourth Proportional to 75,772.80, 113,702.40 and 29,059.20

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Solution

The fourth proportional to 75,772.80, 113,702.40 and 29,059.20 is: 43,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.80 : 113,702.40 = 29,059.20 : x
  2. Step 2: Convert to fraction form
    75,772.80/113,702.40 = 29,059.20/x
  3. Step 3: Cross multiply
    75,772.80x = 113,702.40 × 29,059.20
  4. Step 4: Simplify right side
    75,772.80x = 3,304,100,782.08
  5. Step 5: Solve for x
    x = 3,304,100,782.08/75,772.80
  6. Step 6: Final answer
    x = 43,605.37

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