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Finding the Fourth Proportional to 269,348.73, 404,142.11 and 141,234.42

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Solution

The fourth proportional to 269,348.73, 404,142.11 and 141,234.42 is: 211,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.73 : 404,142.11 = 141,234.42 : x
  2. Step 2: Convert to fraction form
    269,348.73/404,142.11 = 141,234.42/x
  3. Step 3: Cross multiply
    269,348.73x = 404,142.11 × 141,234.42
  4. Step 4: Simplify right side
    269,348.73x = 57,078,776,503.43
  5. Step 5: Solve for x
    x = 57,078,776,503.43/269,348.73
  6. Step 6: Final answer
    x = 211,914.04

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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.