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Finding the Fourth Proportional to 111,949.99, 167,861.80 and 41,800.75

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Solution

The fourth proportional to 111,949.99, 167,861.80 and 41,800.75 is: 62,677.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,949.99 : 167,861.80 = 41,800.75 : x
  2. Step 2: Convert to fraction form
    111,949.99/167,861.80 = 41,800.75/x
  3. Step 3: Cross multiply
    111,949.99x = 167,861.80 × 41,800.75
  4. Step 4: Simplify right side
    111,949.99x = 7,016,749,136.35
  5. Step 5: Solve for x
    x = 7,016,749,136.35/111,949.99
  6. Step 6: Final answer
    x = 62,677.53

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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.