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Finding the Fourth Proportional to 271,493.88, 374,716.07 and 156,791.19

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Solution

The fourth proportional to 271,493.88, 374,716.07 and 156,791.19 is: 216,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,493.88 : 374,716.07 = 156,791.19 : x
  2. Step 2: Convert to fraction form
    271,493.88/374,716.07 = 156,791.19/x
  3. Step 3: Cross multiply
    271,493.88x = 374,716.07 × 156,791.19
  4. Step 4: Simplify right side
    271,493.88x = 58,752,180,618.57
  5. Step 5: Solve for x
    x = 58,752,180,618.57/271,493.88
  6. Step 6: Final answer
    x = 216,403.34

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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.