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Finding the Fourth Proportional to 202,447.82, 303,640.60 and 67,514.25

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Solution

The fourth proportional to 202,447.82, 303,640.60 and 67,514.25 is: 101,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,447.82 : 303,640.60 = 67,514.25 : x
  2. Step 2: Convert to fraction form
    202,447.82/303,640.60 = 67,514.25/x
  3. Step 3: Cross multiply
    202,447.82x = 303,640.60 × 67,514.25
  4. Step 4: Simplify right side
    202,447.82x = 20,500,067,209.76
  5. Step 5: Solve for x
    x = 20,500,067,209.76/202,447.82
  6. Step 6: Final answer
    x = 101,261.00

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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.