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Finding the Fourth Proportional to 269,494.50, 404,282.13 and 87,064.35

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Solution

The fourth proportional to 269,494.50, 404,282.13 and 87,064.35 is: 130,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,494.50 : 404,282.13 = 87,064.35 : x
  2. Step 2: Convert to fraction form
    269,494.50/404,282.13 = 87,064.35/x
  3. Step 3: Cross multiply
    269,494.50x = 404,282.13 × 87,064.35
  4. Step 4: Simplify right side
    269,494.50x = 35,198,560,281.99
  5. Step 5: Solve for x
    x = 35,198,560,281.99/269,494.50
  6. Step 6: Final answer
    x = 130,609.57

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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.