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Finding the Fourth Proportional to 200,691.49, 300,826.51 and 67,525.52

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Solution

The fourth proportional to 200,691.49, 300,826.51 and 67,525.52 is: 101,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,691.49 : 300,826.51 = 67,525.52 : x
  2. Step 2: Convert to fraction form
    200,691.49/300,826.51 = 67,525.52/x
  3. Step 3: Cross multiply
    200,691.49x = 300,826.51 × 67,525.52
  4. Step 4: Simplify right side
    200,691.49x = 20,313,466,517.54
  5. Step 5: Solve for x
    x = 20,313,466,517.54/200,691.49
  6. Step 6: Final answer
    x = 101,217.38

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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.