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Finding the Fourth Proportional to 271,729.88, 374,998.95 and 150,871.17

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Solution

The fourth proportional to 271,729.88, 374,998.95 and 150,871.17 is: 208,208.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,729.88 : 374,998.95 = 150,871.17 : x
  2. Step 2: Convert to fraction form
    271,729.88/374,998.95 = 150,871.17/x
  3. Step 3: Cross multiply
    271,729.88x = 374,998.95 × 150,871.17
  4. Step 4: Simplify right side
    271,729.88x = 56,576,530,335.27
  5. Step 5: Solve for x
    x = 56,576,530,335.27/271,729.88
  6. Step 6: Final answer
    x = 208,208.72

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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.