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Finding the Fourth Proportional to 133,217.80, 199,808.46 and 44,469.28

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Solution

The fourth proportional to 133,217.80, 199,808.46 and 44,469.28 is: 66,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,217.80 : 199,808.46 = 44,469.28 : x
  2. Step 2: Convert to fraction form
    133,217.80/199,808.46 = 44,469.28/x
  3. Step 3: Cross multiply
    133,217.80x = 199,808.46 × 44,469.28
  4. Step 4: Simplify right side
    133,217.80x = 8,885,338,354.11
  5. Step 5: Solve for x
    x = 8,885,338,354.11/133,217.80
  6. Step 6: Final answer
    x = 66,697.83

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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.