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Finding the Fourth Proportional to 200,625.90, 300,793.05 and 82,236.30

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Solution

The fourth proportional to 200,625.90, 300,793.05 and 82,236.30 is: 123,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,625.90 : 300,793.05 = 82,236.30 : x
  2. Step 2: Convert to fraction form
    200,625.90/300,793.05 = 82,236.30/x
  3. Step 3: Cross multiply
    200,625.90x = 300,793.05 × 82,236.30
  4. Step 4: Simplify right side
    200,625.90x = 24,736,107,497.72
  5. Step 5: Solve for x
    x = 24,736,107,497.72/200,625.90
  6. Step 6: Final answer
    x = 123,294.69

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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.