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Finding the Fourth Proportional to 124,442.19, 171,745.02 and 78,568.47

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Solution

The fourth proportional to 124,442.19, 171,745.02 and 78,568.47 is: 108,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.19 : 171,745.02 = 78,568.47 : x
  2. Step 2: Convert to fraction form
    124,442.19/171,745.02 = 78,568.47/x
  3. Step 3: Cross multiply
    124,442.19x = 171,745.02 × 78,568.47
  4. Step 4: Simplify right side
    124,442.19x = 13,493,743,451.52
  5. Step 5: Solve for x
    x = 13,493,743,451.52/124,442.19
  6. Step 6: Final answer
    x = 108,433.83

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