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Finding the Fourth Proportional to 200,680.75, 301,067.19 and 67,557.45

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Solution

The fourth proportional to 200,680.75, 301,067.19 and 67,557.45 is: 101,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,680.75 : 301,067.19 = 67,557.45 : x
  2. Step 2: Convert to fraction form
    200,680.75/301,067.19 = 67,557.45/x
  3. Step 3: Cross multiply
    200,680.75x = 301,067.19 × 67,557.45
  4. Step 4: Simplify right side
    200,680.75x = 20,339,331,297.28
  5. Step 5: Solve for x
    x = 20,339,331,297.28/200,680.75
  6. Step 6: Final answer
    x = 101,351.68

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1.5x scale

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.