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Finding the Fourth Proportional to 269,605.92, 404,456.44 and 92,071.32

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Solution

The fourth proportional to 269,605.92, 404,456.44 and 92,071.32 is: 138,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,605.92 : 404,456.44 = 92,071.32 : x
  2. Step 2: Convert to fraction form
    269,605.92/404,456.44 = 92,071.32/x
  3. Step 3: Cross multiply
    269,605.92x = 404,456.44 × 92,071.32
  4. Step 4: Simplify right side
    269,605.92x = 37,238,838,313.30
  5. Step 5: Solve for x
    x = 37,238,838,313.30/269,605.92
  6. Step 6: Final answer
    x = 138,123.22

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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.