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Finding the Fourth Proportional to 269,461.90, 404,081.66 and 91,983.22

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Solution

The fourth proportional to 269,461.90, 404,081.66 and 91,983.22 is: 137,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,461.90 : 404,081.66 = 91,983.22 : x
  2. Step 2: Convert to fraction form
    269,461.90/404,081.66 = 91,983.22/x
  3. Step 3: Cross multiply
    269,461.90x = 404,081.66 × 91,983.22
  4. Step 4: Simplify right side
    269,461.90x = 37,168,732,229.75
  5. Step 5: Solve for x
    x = 37,168,732,229.75/269,461.90
  6. Step 6: Final answer
    x = 137,936.87

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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.