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Finding the Fourth Proportional to 181,956.93, 251,097.21 and 101,382.72

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Solution

The fourth proportional to 181,956.93, 251,097.21 and 101,382.72 is: 139,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,956.93 : 251,097.21 = 101,382.72 : x
  2. Step 2: Convert to fraction form
    181,956.93/251,097.21 = 101,382.72/x
  3. Step 3: Cross multiply
    181,956.93x = 251,097.21 × 101,382.72
  4. Step 4: Simplify right side
    181,956.93x = 25,456,917,192.60
  5. Step 5: Solve for x
    x = 25,456,917,192.60/181,956.93
  6. Step 6: Final answer
    x = 139,906.28

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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.