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Finding the Fourth Proportional to 213,910.82, 295,227.81 and 123,249.41

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Solution

The fourth proportional to 213,910.82, 295,227.81 and 123,249.41 is: 170,101.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,910.82 : 295,227.81 = 123,249.41 : x
  2. Step 2: Convert to fraction form
    213,910.82/295,227.81 = 123,249.41/x
  3. Step 3: Cross multiply
    213,910.82x = 295,227.81 × 123,249.41
  4. Step 4: Simplify right side
    213,910.82x = 36,386,651,921.95
  5. Step 5: Solve for x
    x = 36,386,651,921.95/213,910.82
  6. Step 6: Final answer
    x = 170,101.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.