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Finding the Fourth Proportional to 269,083.44, 371,335.44 and 155,971.92

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Solution

The fourth proportional to 269,083.44, 371,335.44 and 155,971.92 is: 215,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,083.44 : 371,335.44 = 155,971.92 : x
  2. Step 2: Convert to fraction form
    269,083.44/371,335.44 = 155,971.92/x
  3. Step 3: Cross multiply
    269,083.44x = 371,335.44 × 155,971.92
  4. Step 4: Simplify right side
    269,083.44x = 57,917,901,540.84
  5. Step 5: Solve for x
    x = 57,917,901,540.84/269,083.44
  6. Step 6: Final answer
    x = 215,241.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.