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Finding the Fourth Proportional to 167,805, 231,570.96 and 92,351.88

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Solution

The fourth proportional to 167,805, 231,570.96 and 92,351.88 is: 127,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,805 : 231,570.96 = 92,351.88 : x
  2. Step 2: Convert to fraction form
    167,805/231,570.96 = 92,351.88/x
  3. Step 3: Cross multiply
    167,805x = 231,570.96 × 92,351.88
  4. Step 4: Simplify right side
    167,805x = 21,386,013,509.40
  5. Step 5: Solve for x
    x = 21,386,013,509.40/167,805
  6. Step 6: Final answer
    x = 127,445.63

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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.