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Finding the Fourth Proportional to 202,187.23, 303,213.06 and 67,220.17

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Solution

The fourth proportional to 202,187.23, 303,213.06 and 67,220.17 is: 100,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,187.23 : 303,213.06 = 67,220.17 : x
  2. Step 2: Convert to fraction form
    202,187.23/303,213.06 = 67,220.17/x
  3. Step 3: Cross multiply
    202,187.23x = 303,213.06 × 67,220.17
  4. Step 4: Simplify right side
    202,187.23x = 20,382,031,923.35
  5. Step 5: Solve for x
    x = 20,382,031,923.35/202,187.23
  6. Step 6: Final answer
    x = 100,807.71

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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.