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Finding the Fourth Proportional to 202,126.59, 303,213.17 and 67,202.66

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Solution

The fourth proportional to 202,126.59, 303,213.17 and 67,202.66 is: 100,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,126.59 : 303,213.17 = 67,202.66 : x
  2. Step 2: Convert to fraction form
    202,126.59/303,213.17 = 67,202.66/x
  3. Step 3: Cross multiply
    202,126.59x = 303,213.17 × 67,202.66
  4. Step 4: Simplify right side
    202,126.59x = 20,376,732,497.07
  5. Step 5: Solve for x
    x = 20,376,732,497.07/202,126.59
  6. Step 6: Final answer
    x = 100,811.74

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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.