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Finding the Fourth Proportional to 111,408.30, 166,966.65 and 44,793.90

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Solution

The fourth proportional to 111,408.30, 166,966.65 and 44,793.90 is: 67,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,408.30 : 166,966.65 = 44,793.90 : x
  2. Step 2: Convert to fraction form
    111,408.30/166,966.65 = 44,793.90/x
  3. Step 3: Cross multiply
    111,408.30x = 166,966.65 × 44,793.90
  4. Step 4: Simplify right side
    111,408.30x = 7,479,087,423.44
  5. Step 5: Solve for x
    x = 7,479,087,423.44/111,408.30
  6. Step 6: Final answer
    x = 67,132.23

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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.