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Finding the Fourth Proportional to 269,608.96, 404,460.98 and 92,074.36

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Solution

The fourth proportional to 269,608.96, 404,460.98 and 92,074.36 is: 138,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,608.96 : 404,460.98 = 92,074.36 : x
  2. Step 2: Convert to fraction form
    269,608.96/404,460.98 = 92,074.36/x
  3. Step 3: Cross multiply
    269,608.96x = 404,460.98 × 92,074.36
  4. Step 4: Simplify right side
    269,608.96x = 37,240,485,878.47
  5. Step 5: Solve for x
    x = 37,240,485,878.47/269,608.96
  6. Step 6: Final answer
    x = 138,127.78

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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.