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Finding the Fourth Proportional to 110,910.60, 166,379.68 and 43,433.92

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Solution

The fourth proportional to 110,910.60, 166,379.68 and 43,433.92 is: 65,156.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,910.60 : 166,379.68 = 43,433.92 : x
  2. Step 2: Convert to fraction form
    110,910.60/166,379.68 = 43,433.92/x
  3. Step 3: Cross multiply
    110,910.60x = 166,379.68 × 43,433.92
  4. Step 4: Simplify right side
    110,910.60x = 7,226,520,878.85
  5. Step 5: Solve for x
    x = 7,226,520,878.85/110,910.60
  6. Step 6: Final answer
    x = 65,156.27

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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.