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Finding the Fourth Proportional to 225,891.99, 338,172.24 and 197,866.80

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Solution

The fourth proportional to 225,891.99, 338,172.24 and 197,866.80 is: 296,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,891.99 : 338,172.24 = 197,866.80 : x
  2. Step 2: Convert to fraction form
    225,891.99/338,172.24 = 197,866.80/x
  3. Step 3: Cross multiply
    225,891.99x = 338,172.24 × 197,866.80
  4. Step 4: Simplify right side
    225,891.99x = 66,913,058,977.63
  5. Step 5: Solve for x
    x = 66,913,058,977.63/225,891.99
  6. Step 6: Final answer
    x = 296,217.05

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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.