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Finding the Fourth Proportional to 133,800.96, 200,709.12 and 40,296.96

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Solution

The fourth proportional to 133,800.96, 200,709.12 and 40,296.96 is: 60,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,800.96 : 200,709.12 = 40,296.96 : x
  2. Step 2: Convert to fraction form
    133,800.96/200,709.12 = 40,296.96/x
  3. Step 3: Cross multiply
    133,800.96x = 200,709.12 × 40,296.96
  4. Step 4: Simplify right side
    133,800.96x = 8,087,967,380.28
  5. Step 5: Solve for x
    x = 8,087,967,380.28/133,800.96
  6. Step 6: Final answer
    x = 60,447.75

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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.