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Finding the Fourth Proportional to 167,872.08, 231,676.56 and 92,434.08

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Solution

The fourth proportional to 167,872.08, 231,676.56 and 92,434.08 is: 127,566.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872.08 : 231,676.56 = 92,434.08 : x
  2. Step 2: Convert to fraction form
    167,872.08/231,676.56 = 92,434.08/x
  3. Step 3: Cross multiply
    167,872.08x = 231,676.56 × 92,434.08
  4. Step 4: Simplify right side
    167,872.08x = 21,414,809,681.16
  5. Step 5: Solve for x
    x = 21,414,809,681.16/167,872.08
  6. Step 6: Final answer
    x = 127,566.24

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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.