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Finding the Fourth Proportional to 84,588.84, 126,857.34 and 22,251.24

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Solution

The fourth proportional to 84,588.84, 126,857.34 and 22,251.24 is: 33,370.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,588.84 : 126,857.34 = 22,251.24 : x
  2. Step 2: Convert to fraction form
    84,588.84/126,857.34 = 22,251.24/x
  3. Step 3: Cross multiply
    84,588.84x = 126,857.34 × 22,251.24
  4. Step 4: Simplify right side
    84,588.84x = 2,822,733,118.10
  5. Step 5: Solve for x
    x = 2,822,733,118.10/84,588.84
  6. Step 6: Final answer
    x = 33,370.04

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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.