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Finding the Fourth Proportional to 167,930.15, 231,733.04 and 92,478.65

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Solution

The fourth proportional to 167,930.15, 231,733.04 and 92,478.65 is: 127,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,930.15 : 231,733.04 = 92,478.65 : x
  2. Step 2: Convert to fraction form
    167,930.15/231,733.04 = 92,478.65/x
  3. Step 3: Cross multiply
    167,930.15x = 231,733.04 × 92,478.65
  4. Step 4: Simplify right side
    167,930.15x = 21,430,357,078.54
  5. Step 5: Solve for x
    x = 21,430,357,078.54/167,930.15
  6. Step 6: Final answer
    x = 127,614.71

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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.