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Finding the Fourth Proportional to 201,182.70, 301,774.05 and 68,067.30

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Solution

The fourth proportional to 201,182.70, 301,774.05 and 68,067.30 is: 102,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,182.70 : 301,774.05 = 68,067.30 : x
  2. Step 2: Convert to fraction form
    201,182.70/301,774.05 = 68,067.30/x
  3. Step 3: Cross multiply
    201,182.70x = 301,774.05 × 68,067.30
  4. Step 4: Simplify right side
    201,182.70x = 20,540,944,793.57
  5. Step 5: Solve for x
    x = 20,540,944,793.57/201,182.70
  6. Step 6: Final answer
    x = 102,100.95

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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.