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Finding the Fourth Proportional to 269,825.12, 404,757.24 and 103,613.12

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Solution

The fourth proportional to 269,825.12, 404,757.24 and 103,613.12 is: 155,427.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,825.12 : 404,757.24 = 103,613.12 : x
  2. Step 2: Convert to fraction form
    269,825.12/404,757.24 = 103,613.12/x
  3. Step 3: Cross multiply
    269,825.12x = 404,757.24 × 103,613.12
  4. Step 4: Simplify right side
    269,825.12x = 41,938,160,478.99
  5. Step 5: Solve for x
    x = 41,938,160,478.99/269,825.12
  6. Step 6: Final answer
    x = 155,427.19

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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.