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Finding the Fourth Proportional to 288,540.85, 398,173.99 and 159,472.65

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Solution

The fourth proportional to 288,540.85, 398,173.99 and 159,472.65 is: 220,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,540.85 : 398,173.99 = 159,472.65 : x
  2. Step 2: Convert to fraction form
    288,540.85/398,173.99 = 159,472.65/x
  3. Step 3: Cross multiply
    288,540.85x = 398,173.99 × 159,472.65
  4. Step 4: Simplify right side
    288,540.85x = 63,497,860,724.39
  5. Step 5: Solve for x
    x = 63,497,860,724.39/288,540.85
  6. Step 6: Final answer
    x = 220,065.41

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