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Finding the Fourth Proportional to 133,074.45, 199,629.90 and 44,318.70

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Solution

The fourth proportional to 133,074.45, 199,629.90 and 44,318.70 is: 66,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,074.45 : 199,629.90 = 44,318.70 : x
  2. Step 2: Convert to fraction form
    133,074.45/199,629.90 = 44,318.70/x
  3. Step 3: Cross multiply
    133,074.45x = 199,629.90 × 44,318.70
  4. Step 4: Simplify right side
    133,074.45x = 8,847,337,649.13
  5. Step 5: Solve for x
    x = 8,847,337,649.13/133,074.45
  6. Step 6: Final answer
    x = 66,484.12

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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.