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Finding the Fourth Proportional to 202,571.88, 279,524.89 and 111,922.26

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Solution

The fourth proportional to 202,571.88, 279,524.89 and 111,922.26 is: 154,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,571.88 : 279,524.89 = 111,922.26 : x
  2. Step 2: Convert to fraction form
    202,571.88/279,524.89 = 111,922.26/x
  3. Step 3: Cross multiply
    202,571.88x = 279,524.89 × 111,922.26
  4. Step 4: Simplify right side
    202,571.88x = 31,285,056,855.44
  5. Step 5: Solve for x
    x = 31,285,056,855.44/202,571.88
  6. Step 6: Final answer
    x = 154,439.29

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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.