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Finding the Fourth Proportional to 78,183.58, 117,289.79 and 25,595.98

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Solution

The fourth proportional to 78,183.58, 117,289.79 and 25,595.98 is: 38,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,183.58 : 117,289.79 = 25,595.98 : x
  2. Step 2: Convert to fraction form
    78,183.58/117,289.79 = 25,595.98/x
  3. Step 3: Cross multiply
    78,183.58x = 117,289.79 × 25,595.98
  4. Step 4: Simplify right side
    78,183.58x = 3,002,147,119.04
  5. Step 5: Solve for x
    x = 3,002,147,119.04/78,183.58
  6. Step 6: Final answer
    x = 38,398.69

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