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Finding the Fourth Proportional to 225,328, 338,154.82 and 88,571.48

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Solution

The fourth proportional to 225,328, 338,154.82 and 88,571.48 is: 132,921.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,328 : 338,154.82 = 88,571.48 : x
  2. Step 2: Convert to fraction form
    225,328/338,154.82 = 88,571.48/x
  3. Step 3: Cross multiply
    225,328x = 338,154.82 × 88,571.48
  4. Step 4: Simplify right side
    225,328x = 29,950,872,876.53
  5. Step 5: Solve for x
    x = 29,950,872,876.53/225,328
  6. Step 6: Final answer
    x = 132,921.22

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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.