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Finding the Fourth Proportional to 111,311.79, 166,926.17 and 44,729.39

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Solution

The fourth proportional to 111,311.79, 166,926.17 and 44,729.39 is: 67,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,311.79 : 166,926.17 = 44,729.39 : x
  2. Step 2: Convert to fraction form
    111,311.79/166,926.17 = 44,729.39/x
  3. Step 3: Cross multiply
    111,311.79x = 166,926.17 × 44,729.39
  4. Step 4: Simplify right side
    111,311.79x = 7,466,504,700.86
  5. Step 5: Solve for x
    x = 7,466,504,700.86/111,311.79
  6. Step 6: Final answer
    x = 67,077.39

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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.