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Finding the Fourth Proportional to 269,199.50, 371,503.26 and 148,348.54

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Solution

The fourth proportional to 269,199.50, 371,503.26 and 148,348.54 is: 204,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,199.50 : 371,503.26 = 148,348.54 : x
  2. Step 2: Convert to fraction form
    269,199.50/371,503.26 = 148,348.54/x
  3. Step 3: Cross multiply
    269,199.50x = 371,503.26 × 148,348.54
  4. Step 4: Simplify right side
    269,199.50x = 55,111,965,645.77
  5. Step 5: Solve for x
    x = 55,111,965,645.77/269,199.50
  6. Step 6: Final answer
    x = 204,725.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.