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Finding the Fourth Proportional to 181,449, 250,399.62 and 101,961

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Solution

The fourth proportional to 181,449, 250,399.62 and 101,961 is: 140,706.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,449 : 250,399.62 = 101,961 : x
  2. Step 2: Convert to fraction form
    181,449/250,399.62 = 101,961/x
  3. Step 3: Cross multiply
    181,449x = 250,399.62 × 101,961
  4. Step 4: Simplify right side
    181,449x = 25,530,995,654.82
  5. Step 5: Solve for x
    x = 25,530,995,654.82/181,449
  6. Step 6: Final answer
    x = 140,706.18

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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.