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Finding the Fourth Proportional to 269,348.88, 371,634.80 and 161,897.52

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Solution

The fourth proportional to 269,348.88, 371,634.80 and 161,897.52 is: 223,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,348.88 : 371,634.80 = 161,897.52 : x
  2. Step 2: Convert to fraction form
    269,348.88/371,634.80 = 161,897.52/x
  3. Step 3: Cross multiply
    269,348.88x = 371,634.80 × 161,897.52
  4. Step 4: Simplify right side
    269,348.88x = 60,166,752,465.70
  5. Step 5: Solve for x
    x = 60,166,752,465.70/269,348.88
  6. Step 6: Final answer
    x = 223,378.51

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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.