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Finding the Fourth Proportional to 47,728.26, 71,583.03 and 45,357.03

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Solution

The fourth proportional to 47,728.26, 71,583.03 and 45,357.03 is: 68,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,728.26 : 71,583.03 = 45,357.03 : x
  2. Step 2: Convert to fraction form
    47,728.26/71,583.03 = 45,357.03/x
  3. Step 3: Cross multiply
    47,728.26x = 71,583.03 × 45,357.03
  4. Step 4: Simplify right side
    47,728.26x = 3,246,793,639.20
  5. Step 5: Solve for x
    x = 3,246,793,639.20/47,728.26
  6. Step 6: Final answer
    x = 68,026.65

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