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Finding the Fourth Proportional to 84,570.77, 126,863.65 and 22,241.27

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Solution

The fourth proportional to 84,570.77, 126,863.65 and 22,241.27 is: 33,363.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,570.77 : 126,863.65 = 22,241.27 : x
  2. Step 2: Convert to fraction form
    84,570.77/126,863.65 = 22,241.27/x
  3. Step 3: Cross multiply
    84,570.77x = 126,863.65 × 22,241.27
  4. Step 4: Simplify right side
    84,570.77x = 2,821,608,692.84
  5. Step 5: Solve for x
    x = 2,821,608,692.84/84,570.77
  6. Step 6: Final answer
    x = 33,363.88

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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.