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Finding the Fourth Proportional to 181,290.26, 271,894.37 and 68,930.42

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Solution

The fourth proportional to 181,290.26, 271,894.37 and 68,930.42 is: 103,380.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.26 : 271,894.37 = 68,930.42 : x
  2. Step 2: Convert to fraction form
    181,290.26/271,894.37 = 68,930.42/x
  3. Step 3: Cross multiply
    181,290.26x = 271,894.37 × 68,930.42
  4. Step 4: Simplify right side
    181,290.26x = 18,741,791,415.61
  5. Step 5: Solve for x
    x = 18,741,791,415.61/181,290.26
  6. Step 6: Final answer
    x = 103,380.03

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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.