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Finding the Fourth Proportional to 202,657.28, 303,882.73 and 67,672.81

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Solution

The fourth proportional to 202,657.28, 303,882.73 and 67,672.81 is: 101,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,657.28 : 303,882.73 = 67,672.81 : x
  2. Step 2: Convert to fraction form
    202,657.28/303,882.73 = 67,672.81/x
  3. Step 3: Cross multiply
    202,657.28x = 303,882.73 × 67,672.81
  4. Step 4: Simplify right side
    202,657.28x = 20,564,598,460.24
  5. Step 5: Solve for x
    x = 20,564,598,460.24/202,657.28
  6. Step 6: Final answer
    x = 101,474.76

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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.