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Finding the Fourth Proportional to 188,811.20, 283,216.80 and 179,625.80

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Solution

The fourth proportional to 188,811.20, 283,216.80 and 179,625.80 is: 269,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,811.20 : 283,216.80 = 179,625.80 : x
  2. Step 2: Convert to fraction form
    188,811.20/283,216.80 = 179,625.80/x
  3. Step 3: Cross multiply
    188,811.20x = 283,216.80 × 179,625.80
  4. Step 4: Simplify right side
    188,811.20x = 50,873,044,273.44
  5. Step 5: Solve for x
    x = 50,873,044,273.44/188,811.20
  6. Step 6: Final answer
    x = 269,438.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.