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Finding the Fourth Proportional to 269,348.64, 404,141.96 and 141,234.33

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Solution

The fourth proportional to 269,348.64, 404,141.96 and 141,234.33 is: 211,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.64 : 404,141.96 = 141,234.33 : x
  2. Step 2: Convert to fraction form
    269,348.64/404,141.96 = 141,234.33/x
  3. Step 3: Cross multiply
    269,348.64x = 404,141.96 × 141,234.33
  4. Step 4: Simplify right side
    269,348.64x = 57,078,718,945.49
  5. Step 5: Solve for x
    x = 57,078,718,945.49/269,348.64
  6. Step 6: Final answer
    x = 211,913.89

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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.