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Finding the Fourth Proportional to 200,691.05, 300,825.83 and 67,525.07

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Solution

The fourth proportional to 200,691.05, 300,825.83 and 67,525.07 is: 101,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,691.05 : 300,825.83 = 67,525.07 : x
  2. Step 2: Convert to fraction form
    200,691.05/300,825.83 = 67,525.07/x
  3. Step 3: Cross multiply
    200,691.05x = 300,825.83 × 67,525.07
  4. Step 4: Simplify right side
    200,691.05x = 20,313,285,228.56
  5. Step 5: Solve for x
    x = 20,313,285,228.56/200,691.05
  6. Step 6: Final answer
    x = 101,216.70

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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.