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Finding the Fourth Proportional to 269,771.90, 404,891.10 and 103,676.54

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Solution

The fourth proportional to 269,771.90, 404,891.10 and 103,676.54 is: 155,604.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,771.90 : 404,891.10 = 103,676.54 : x
  2. Step 2: Convert to fraction form
    269,771.90/404,891.10 = 103,676.54/x
  3. Step 3: Cross multiply
    269,771.90x = 404,891.10 × 103,676.54
  4. Step 4: Simplify right side
    269,771.90x = 41,977,708,324.79
  5. Step 5: Solve for x
    x = 41,977,708,324.79/269,771.90
  6. Step 6: Final answer
    x = 155,604.45

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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.