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Finding the Fourth Proportional to 269,344.88, 404,024.16 and 111,530.96

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Solution

The fourth proportional to 269,344.88, 404,024.16 and 111,530.96 is: 167,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,344.88 : 404,024.16 = 111,530.96 : x
  2. Step 2: Convert to fraction form
    269,344.88/404,024.16 = 111,530.96/x
  3. Step 3: Cross multiply
    269,344.88x = 404,024.16 × 111,530.96
  4. Step 4: Simplify right side
    269,344.88x = 45,061,202,427.99
  5. Step 5: Solve for x
    x = 45,061,202,427.99/269,344.88
  6. Step 6: Final answer
    x = 167,299.27

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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.