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Finding the Fourth Proportional to 267,371.72, 401,093.13 and 125,197.58

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Solution

The fourth proportional to 267,371.72, 401,093.13 and 125,197.58 is: 187,813.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,371.72 : 401,093.13 = 125,197.58 : x
  2. Step 2: Convert to fraction form
    267,371.72/401,093.13 = 125,197.58/x
  3. Step 3: Cross multiply
    267,371.72x = 401,093.13 × 125,197.58
  4. Step 4: Simplify right side
    267,371.72x = 50,215,890,702.85
  5. Step 5: Solve for x
    x = 50,215,890,702.85/267,371.72
  6. Step 6: Final answer
    x = 187,813.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.