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Finding the Fourth Proportional to 167,139.88, 250,474.11 and 92,293.72

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Solution

The fourth proportional to 167,139.88, 250,474.11 and 92,293.72 is: 138,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,139.88 : 250,474.11 = 92,293.72 : x
  2. Step 2: Convert to fraction form
    167,139.88/250,474.11 = 92,293.72/x
  3. Step 3: Cross multiply
    167,139.88x = 250,474.11 × 92,293.72
  4. Step 4: Simplify right side
    167,139.88x = 23,117,186,403.30
  5. Step 5: Solve for x
    x = 23,117,186,403.30/167,139.88
  6. Step 6: Final answer
    x = 138,310.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.