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Finding the Fourth Proportional to 181,872.87, 250,997.18 and 110,255.91

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Solution

The fourth proportional to 181,872.87, 250,997.18 and 110,255.91 is: 152,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,872.87 : 250,997.18 = 110,255.91 : x
  2. Step 2: Convert to fraction form
    181,872.87/250,997.18 = 110,255.91/x
  3. Step 3: Cross multiply
    181,872.87x = 250,997.18 × 110,255.91
  4. Step 4: Simplify right side
    181,872.87x = 27,673,922,488.33
  5. Step 5: Solve for x
    x = 27,673,922,488.33/181,872.87
  6. Step 6: Final answer
    x = 152,160.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.