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Finding the Fourth Proportional to 202,695.20, 303,805.26 and 82,677.22

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Solution

The fourth proportional to 202,695.20, 303,805.26 and 82,677.22 is: 123,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,695.20 : 303,805.26 = 82,677.22 : x
  2. Step 2: Convert to fraction form
    202,695.20/303,805.26 = 82,677.22/x
  3. Step 3: Cross multiply
    202,695.20x = 303,805.26 × 82,677.22
  4. Step 4: Simplify right side
    202,695.20x = 25,117,774,318.18
  5. Step 5: Solve for x
    x = 25,117,774,318.18/202,695.20
  6. Step 6: Final answer
    x = 123,918.94

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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.