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Finding the Fourth Proportional to 200,690.79, 300,825.46 and 67,524.82

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Solution

The fourth proportional to 200,690.79, 300,825.46 and 67,524.82 is: 101,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,690.79 : 300,825.46 = 67,524.82 : x
  2. Step 2: Convert to fraction form
    200,690.79/300,825.46 = 67,524.82/x
  3. Step 3: Cross multiply
    200,690.79x = 300,825.46 × 67,524.82
  4. Step 4: Simplify right side
    200,690.79x = 20,313,185,037.92
  5. Step 5: Solve for x
    x = 20,313,185,037.92/200,690.79
  6. Step 6: Final answer
    x = 101,216.33

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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.