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Finding the Fourth Proportional to 269,798.43, 404,254.78 and 92,208.57

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Solution

The fourth proportional to 269,798.43, 404,254.78 and 92,208.57 is: 138,161.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,798.43 : 404,254.78 = 92,208.57 : x
  2. Step 2: Convert to fraction form
    269,798.43/404,254.78 = 92,208.57/x
  3. Step 3: Cross multiply
    269,798.43x = 404,254.78 × 92,208.57
  4. Step 4: Simplify right side
    269,798.43x = 37,275,755,179.46
  5. Step 5: Solve for x
    x = 37,275,755,179.46/269,798.43
  6. Step 6: Final answer
    x = 138,161.50

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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.