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Finding the Fourth Proportional to 271,503.87, 374,669.61 and 150,642.56

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Solution

The fourth proportional to 271,503.87, 374,669.61 and 150,642.56 is: 207,883.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,503.87 : 374,669.61 = 150,642.56 : x
  2. Step 2: Convert to fraction form
    271,503.87/374,669.61 = 150,642.56/x
  3. Step 3: Cross multiply
    271,503.87x = 374,669.61 × 150,642.56
  4. Step 4: Simplify right side
    271,503.87x = 56,441,187,331.25
  5. Step 5: Solve for x
    x = 56,441,187,331.25/271,503.87
  6. Step 6: Final answer
    x = 207,883.55

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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.