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Finding the Fourth Proportional to 255,299.70, 382,772.22 and 113,067.48

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Solution

The fourth proportional to 255,299.70, 382,772.22 and 113,067.48 is: 169,522.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,299.70 : 382,772.22 = 113,067.48 : x
  2. Step 2: Convert to fraction form
    255,299.70/382,772.22 = 113,067.48/x
  3. Step 3: Cross multiply
    255,299.70x = 382,772.22 × 113,067.48
  4. Step 4: Simplify right side
    255,299.70x = 43,279,090,329.41
  5. Step 5: Solve for x
    x = 43,279,090,329.41/255,299.70
  6. Step 6: Final answer
    x = 169,522.68

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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.