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Finding the Fourth Proportional to 271,605.62, 374,808.56 and 150,743.79

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Solution

The fourth proportional to 271,605.62, 374,808.56 and 150,743.79 is: 208,022.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,605.62 : 374,808.56 = 150,743.79 : x
  2. Step 2: Convert to fraction form
    271,605.62/374,808.56 = 150,743.79/x
  3. Step 3: Cross multiply
    271,605.62x = 374,808.56 × 150,743.79
  4. Step 4: Simplify right side
    271,605.62x = 56,500,062,105.12
  5. Step 5: Solve for x
    x = 56,500,062,105.12/271,605.62
  6. Step 6: Final answer
    x = 208,022.43

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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.