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Finding the Fourth Proportional to 202,377.97, 303,557.94 and 69,270.13

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Solution

The fourth proportional to 202,377.97, 303,557.94 and 69,270.13 is: 103,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,377.97 : 303,557.94 = 69,270.13 : x
  2. Step 2: Convert to fraction form
    202,377.97/303,557.94 = 69,270.13/x
  3. Step 3: Cross multiply
    202,377.97x = 303,557.94 × 69,270.13
  4. Step 4: Simplify right side
    202,377.97x = 21,027,497,619.98
  5. Step 5: Solve for x
    x = 21,027,497,619.98/202,377.97
  6. Step 6: Final answer
    x = 103,902.11

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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.