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Finding the Fourth Proportional to 202,249.08, 279,101.84 and 111,605.85

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Solution

The fourth proportional to 202,249.08, 279,101.84 and 111,605.85 is: 154,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,249.08 : 279,101.84 = 111,605.85 : x
  2. Step 2: Convert to fraction form
    202,249.08/279,101.84 = 111,605.85/x
  3. Step 3: Cross multiply
    202,249.08x = 279,101.84 × 111,605.85
  4. Step 4: Simplify right side
    202,249.08x = 31,149,397,531.73
  5. Step 5: Solve for x
    x = 31,149,397,531.73/202,249.08
  6. Step 6: Final answer
    x = 154,015.03

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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.