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Finding the Fourth Proportional to 84,367, 126,571.66 and 25,202.44

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Solution

The fourth proportional to 84,367, 126,571.66 and 25,202.44 is: 37,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,367 : 126,571.66 = 25,202.44 : x
  2. Step 2: Convert to fraction form
    84,367/126,571.66 = 25,202.44/x
  3. Step 3: Cross multiply
    84,367x = 126,571.66 × 25,202.44
  4. Step 4: Simplify right side
    84,367x = 3,189,914,666.85
  5. Step 5: Solve for x
    x = 3,189,914,666.85/84,367
  6. Step 6: Final answer
    x = 37,809.98

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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.