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Finding the Fourth Proportional to 75,580.80, 113,371.20 and 52,252.80

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Solution

The fourth proportional to 75,580.80, 113,371.20 and 52,252.80 is: 78,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,580.80 : 113,371.20 = 52,252.80 : x
  2. Step 2: Convert to fraction form
    75,580.80/113,371.20 = 52,252.80/x
  3. Step 3: Cross multiply
    75,580.80x = 113,371.20 × 52,252.80
  4. Step 4: Simplify right side
    75,580.80x = 5,923,962,639.36
  5. Step 5: Solve for x
    x = 5,923,962,639.36/75,580.80
  6. Step 6: Final answer
    x = 78,379.20

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