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Finding the Fourth Proportional to 269,296.68, 371,629.44 and 156,185.04

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Solution

The fourth proportional to 269,296.68, 371,629.44 and 156,185.04 is: 215,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,296.68 : 371,629.44 = 156,185.04 : x
  2. Step 2: Convert to fraction form
    269,296.68/371,629.44 = 156,185.04/x
  3. Step 3: Cross multiply
    269,296.68x = 371,629.44 × 156,185.04
  4. Step 4: Simplify right side
    269,296.68x = 58,042,958,951.58
  5. Step 5: Solve for x
    x = 58,042,958,951.58/269,296.68
  6. Step 6: Final answer
    x = 215,535.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.