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Finding the Fourth Proportional to 226,696.88, 312,836.64 and 131,201.66

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Solution

The fourth proportional to 226,696.88, 312,836.64 and 131,201.66 is: 181,055.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,696.88 : 312,836.64 = 131,201.66 : x
  2. Step 2: Convert to fraction form
    226,696.88/312,836.64 = 131,201.66/x
  3. Step 3: Cross multiply
    226,696.88x = 312,836.64 × 131,201.66
  4. Step 4: Simplify right side
    226,696.88x = 41,044,686,476.82
  5. Step 5: Solve for x
    x = 41,044,686,476.82/226,696.88
  6. Step 6: Final answer
    x = 181,055.37

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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.