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Finding the Fourth Proportional to 181,149.35, 271,648.01 and 68,767.61

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Solution

The fourth proportional to 181,149.35, 271,648.01 and 68,767.61 is: 103,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,149.35 : 271,648.01 = 68,767.61 : x
  2. Step 2: Convert to fraction form
    181,149.35/271,648.01 = 68,767.61/x
  3. Step 3: Cross multiply
    181,149.35x = 271,648.01 × 68,767.61
  4. Step 4: Simplify right side
    181,149.35x = 18,680,583,222.64
  5. Step 5: Solve for x
    x = 18,680,583,222.64/181,149.35
  6. Step 6: Final answer
    x = 103,122.55

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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.