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Finding the Fourth Proportional to 167,770.98, 251,655.92 and 67,930.38

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Solution

The fourth proportional to 167,770.98, 251,655.92 and 67,930.38 is: 101,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,770.98 : 251,655.92 = 67,930.38 : x
  2. Step 2: Convert to fraction form
    167,770.98/251,655.92 = 67,930.38/x
  3. Step 3: Cross multiply
    167,770.98x = 251,655.92 × 67,930.38
  4. Step 4: Simplify right side
    167,770.98x = 17,095,082,274.85
  5. Step 5: Solve for x
    x = 17,095,082,274.85/167,770.98
  6. Step 6: Final answer
    x = 101,895.35

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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.