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Finding the Fourth Proportional to 200,493.32, 300,767.62 and 67,383.90

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Solution

The fourth proportional to 200,493.32, 300,767.62 and 67,383.90 is: 101,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,493.32 : 300,767.62 = 67,383.90 : x
  2. Step 2: Convert to fraction form
    200,493.32/300,767.62 = 67,383.90/x
  3. Step 3: Cross multiply
    200,493.32x = 300,767.62 × 67,383.90
  4. Step 4: Simplify right side
    200,493.32x = 20,266,895,229.32
  5. Step 5: Solve for x
    x = 20,266,895,229.32/200,493.32
  6. Step 6: Final answer
    x = 101,085.14

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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.