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Finding the Fourth Proportional to 269,424.10, 404,145.70 and 67,021.26

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Solution

The fourth proportional to 269,424.10, 404,145.70 and 67,021.26 is: 100,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,424.10 : 404,145.70 = 67,021.26 : x
  2. Step 2: Convert to fraction form
    269,424.10/404,145.70 = 67,021.26/x
  3. Step 3: Cross multiply
    269,424.10x = 404,145.70 × 67,021.26
  4. Step 4: Simplify right side
    269,424.10x = 27,086,351,681.75
  5. Step 5: Solve for x
    x = 27,086,351,681.75/269,424.10
  6. Step 6: Final answer
    x = 100,534.26

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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.