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Finding the Fourth Proportional to 52,540.22, 78,807.12 and 17,000.78

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Solution

The fourth proportional to 52,540.22, 78,807.12 and 17,000.78 is: 25,500.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,540.22 : 78,807.12 = 17,000.78 : x
  2. Step 2: Convert to fraction form
    52,540.22/78,807.12 = 17,000.78/x
  3. Step 3: Cross multiply
    52,540.22x = 78,807.12 × 17,000.78
  4. Step 4: Simplify right side
    52,540.22x = 1,339,782,115.52
  5. Step 5: Solve for x
    x = 1,339,782,115.52/52,540.22
  6. Step 6: Final answer
    x = 25,500.13

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