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Finding the Fourth Proportional to 111,306.99, 166,968.18 and 44,747.18

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Solution

The fourth proportional to 111,306.99, 166,968.18 and 44,747.18 is: 67,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,306.99 : 166,968.18 = 44,747.18 : x
  2. Step 2: Convert to fraction form
    111,306.99/166,968.18 = 44,747.18/x
  3. Step 3: Cross multiply
    111,306.99x = 166,968.18 × 44,747.18
  4. Step 4: Simplify right side
    111,306.99x = 7,471,354,369.89
  5. Step 5: Solve for x
    x = 7,471,354,369.89/111,306.99
  6. Step 6: Final answer
    x = 67,123.86

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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.