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Finding the Fourth Proportional to 269,906.29, 404,588.49 and 92,291.83

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Solution

The fourth proportional to 269,906.29, 404,588.49 and 92,291.83 is: 138,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,906.29 : 404,588.49 = 92,291.83 : x
  2. Step 2: Convert to fraction form
    269,906.29/404,588.49 = 92,291.83/x
  3. Step 3: Cross multiply
    269,906.29x = 404,588.49 × 92,291.83
  4. Step 4: Simplify right side
    269,906.29x = 37,340,212,139.04
  5. Step 5: Solve for x
    x = 37,340,212,139.04/269,906.29
  6. Step 6: Final answer
    x = 138,345.10

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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.