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Finding the Fourth Proportional to 167,959.88, 231,784.64 and 92,508.38

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Solution

The fourth proportional to 167,959.88, 231,784.64 and 92,508.38 is: 127,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,959.88 : 231,784.64 = 92,508.38 : x
  2. Step 2: Convert to fraction form
    167,959.88/231,784.64 = 92,508.38/x
  3. Step 3: Cross multiply
    167,959.88x = 231,784.64 × 92,508.38
  4. Step 4: Simplify right side
    167,959.88x = 21,442,021,149.92
  5. Step 5: Solve for x
    x = 21,442,021,149.92/167,959.88
  6. Step 6: Final answer
    x = 127,661.57

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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.