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Finding the Fourth Proportional to 167,960.79, 231,785.90 and 92,509.29

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Solution

The fourth proportional to 167,960.79, 231,785.90 and 92,509.29 is: 127,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,960.79 : 231,785.90 = 92,509.29 : x
  2. Step 2: Convert to fraction form
    167,960.79/231,785.90 = 92,509.29/x
  3. Step 3: Cross multiply
    167,960.79x = 231,785.90 × 92,509.29
  4. Step 4: Simplify right side
    167,960.79x = 21,442,348,578.46
  5. Step 5: Solve for x
    x = 21,442,348,578.46/167,960.79
  6. Step 6: Final answer
    x = 127,662.82

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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.