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Finding the Fourth Proportional to 269,199.88, 403,542.78 and 100,674.52

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Solution

The fourth proportional to 269,199.88, 403,542.78 and 100,674.52 is: 150,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,199.88 : 403,542.78 = 100,674.52 : x
  2. Step 2: Convert to fraction form
    269,199.88/403,542.78 = 100,674.52/x
  3. Step 3: Cross multiply
    269,199.88x = 403,542.78 × 100,674.52
  4. Step 4: Simplify right side
    269,199.88x = 40,626,475,675.97
  5. Step 5: Solve for x
    x = 40,626,475,675.97/269,199.88
  6. Step 6: Final answer
    x = 150,915.65

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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.