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Finding the Fourth Proportional to 101,771, 140,443.98 and 62,027

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Solution

The fourth proportional to 101,771, 140,443.98 and 62,027 is: 85,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,771 : 140,443.98 = 62,027 : x
  2. Step 2: Convert to fraction form
    101,771/140,443.98 = 62,027/x
  3. Step 3: Cross multiply
    101,771x = 140,443.98 × 62,027
  4. Step 4: Simplify right side
    101,771x = 8,711,318,747.46
  5. Step 5: Solve for x
    x = 8,711,318,747.46/101,771
  6. Step 6: Final answer
    x = 85,597.26

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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.