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Finding the Fourth Proportional to 167,672.32, 231,384 and 92,219.20

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Solution

The fourth proportional to 167,672.32, 231,384 and 92,219.20 is: 127,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.32 : 231,384 = 92,219.20 : x
  2. Step 2: Convert to fraction form
    167,672.32/231,384 = 92,219.20/x
  3. Step 3: Cross multiply
    167,672.32x = 231,384 × 92,219.20
  4. Step 4: Simplify right side
    167,672.32x = 21,338,047,372.80
  5. Step 5: Solve for x
    x = 21,338,047,372.80/167,672.32
  6. Step 6: Final answer
    x = 127,260.41

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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.