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Finding the Fourth Proportional to 269,469.79, 404,241.57 and 91,929.13

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Solution

The fourth proportional to 269,469.79, 404,241.57 and 91,929.13 is: 137,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,469.79 : 404,241.57 = 91,929.13 : x
  2. Step 2: Convert to fraction form
    269,469.79/404,241.57 = 91,929.13/x
  3. Step 3: Cross multiply
    269,469.79x = 404,241.57 × 91,929.13
  4. Step 4: Simplify right side
    269,469.79x = 37,161,574,829.33
  5. Step 5: Solve for x
    x = 37,161,574,829.33/269,469.79
  6. Step 6: Final answer
    x = 137,906.28

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1.5x scale

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.