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Finding the Fourth Proportional to 269,561.87, 404,591.81 and 136,535.55

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Solution

The fourth proportional to 269,561.87, 404,591.81 and 136,535.55 is: 204,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,561.87 : 404,591.81 = 136,535.55 : x
  2. Step 2: Convert to fraction form
    269,561.87/404,591.81 = 136,535.55/x
  3. Step 3: Cross multiply
    269,561.87x = 404,591.81 × 136,535.55
  4. Step 4: Simplify right side
    269,561.87x = 55,241,165,009.88
  5. Step 5: Solve for x
    x = 55,241,165,009.88/269,561.87
  6. Step 6: Final answer
    x = 204,929.44

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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.