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Finding the Fourth Proportional to 181,073.85, 271,360.62 and 68,634.72

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Solution

The fourth proportional to 181,073.85, 271,360.62 and 68,634.72 is: 102,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,073.85 : 271,360.62 = 68,634.72 : x
  2. Step 2: Convert to fraction form
    181,073.85/271,360.62 = 68,634.72/x
  3. Step 3: Cross multiply
    181,073.85x = 271,360.62 × 68,634.72
  4. Step 4: Simplify right side
    181,073.85x = 18,624,760,172.73
  5. Step 5: Solve for x
    x = 18,624,760,172.73/181,073.85
  6. Step 6: Final answer
    x = 102,857.26

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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.