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Finding the Fourth Proportional to 78,134.83, 107,825.71 and 42,324.94

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Solution

The fourth proportional to 78,134.83, 107,825.71 and 42,324.94 is: 58,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,134.83 : 107,825.71 = 42,324.94 : x
  2. Step 2: Convert to fraction form
    78,134.83/107,825.71 = 42,324.94/x
  3. Step 3: Cross multiply
    78,134.83x = 107,825.71 × 42,324.94
  4. Step 4: Simplify right side
    78,134.83x = 4,563,716,847.13
  5. Step 5: Solve for x
    x = 4,563,716,847.13/78,134.83
  6. Step 6: Final answer
    x = 58,408.23

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