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Finding the Fourth Proportional to 59,718.80, 89,578.20 and 51,408.20

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Solution

The fourth proportional to 59,718.80, 89,578.20 and 51,408.20 is: 77,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,718.80 : 89,578.20 = 51,408.20 : x
  2. Step 2: Convert to fraction form
    59,718.80/89,578.20 = 51,408.20/x
  3. Step 3: Cross multiply
    59,718.80x = 89,578.20 × 51,408.20
  4. Step 4: Simplify right side
    59,718.80x = 4,605,054,021.24
  5. Step 5: Solve for x
    x = 4,605,054,021.24/59,718.80
  6. Step 6: Final answer
    x = 77,112.30

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