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Finding the Fourth Proportional to 271,249.16, 374,321.99 and 150,390.47

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Solution

The fourth proportional to 271,249.16, 374,321.99 and 150,390.47 is: 207,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,249.16 : 374,321.99 = 150,390.47 : x
  2. Step 2: Convert to fraction form
    271,249.16/374,321.99 = 150,390.47/x
  3. Step 3: Cross multiply
    271,249.16x = 374,321.99 × 150,390.47
  4. Step 4: Simplify right side
    271,249.16x = 56,294,461,319.22
  5. Step 5: Solve for x
    x = 56,294,461,319.22/271,249.16
  6. Step 6: Final answer
    x = 207,537.83

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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.