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Finding the Fourth Proportional to 200,537.00, 300,805.90 and 82,187.09

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Solution

The fourth proportional to 200,537.00, 300,805.90 and 82,187.09 is: 123,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,537.00 : 300,805.90 = 82,187.09 : x
  2. Step 2: Convert to fraction form
    200,537.00/300,805.90 = 82,187.09/x
  3. Step 3: Cross multiply
    200,537.00x = 300,805.90 × 82,187.09
  4. Step 4: Simplify right side
    200,537.00x = 24,722,359,866.33
  5. Step 5: Solve for x
    x = 24,722,359,866.33/200,537.00
  6. Step 6: Final answer
    x = 123,280.79

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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.