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Finding the Fourth Proportional to 167,716.82, 231,447.32 and 124,887.88

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Solution

The fourth proportional to 167,716.82, 231,447.32 and 124,887.88 is: 172,343.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,716.82 : 231,447.32 = 124,887.88 : x
  2. Step 2: Convert to fraction form
    167,716.82/231,447.32 = 124,887.88/x
  3. Step 3: Cross multiply
    167,716.82x = 231,447.32 × 124,887.88
  4. Step 4: Simplify right side
    167,716.82x = 28,904,965,126.48
  5. Step 5: Solve for x
    x = 28,904,965,126.48/167,716.82
  6. Step 6: Final answer
    x = 172,343.87

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