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Finding the Fourth Proportional to 225,862.48, 338,341.96 and 135,855.48

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Solution

The fourth proportional to 225,862.48, 338,341.96 and 135,855.48 is: 203,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,862.48 : 338,341.96 = 135,855.48 : x
  2. Step 2: Convert to fraction form
    225,862.48/338,341.96 = 135,855.48/x
  3. Step 3: Cross multiply
    225,862.48x = 338,341.96 × 135,855.48
  4. Step 4: Simplify right side
    225,862.48x = 45,965,608,915.37
  5. Step 5: Solve for x
    x = 45,965,608,915.37/225,862.48
  6. Step 6: Final answer
    x = 203,511.49

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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.