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Finding the Fourth Proportional to 84,573.86, 126,850.70 and 22,249.22

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Solution

The fourth proportional to 84,573.86, 126,850.70 and 22,249.22 is: 33,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,573.86 : 126,850.70 = 22,249.22 : x
  2. Step 2: Convert to fraction form
    84,573.86/126,850.70 = 22,249.22/x
  3. Step 3: Cross multiply
    84,573.86x = 126,850.70 × 22,249.22
  4. Step 4: Simplify right side
    84,573.86x = 2,822,329,131.45
  5. Step 5: Solve for x
    x = 2,822,329,131.45/84,573.86
  6. Step 6: Final answer
    x = 33,371.18

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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.