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Finding the Fourth Proportional to 248,096.88, 371,976.90 and 126,217.87

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Solution

The fourth proportional to 248,096.88, 371,976.90 and 126,217.87 is: 189,241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,096.88 : 371,976.90 = 126,217.87 : x
  2. Step 2: Convert to fraction form
    248,096.88/371,976.90 = 126,217.87/x
  3. Step 3: Cross multiply
    248,096.88x = 371,976.90 × 126,217.87
  4. Step 4: Simplify right side
    248,096.88x = 46,950,132,472.17
  5. Step 5: Solve for x
    x = 46,950,132,472.17/248,096.88
  6. Step 6: Final answer
    x = 189,241.12

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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.