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Finding the Fourth Proportional to 89,049.60, 133,485.70 and 44,540.52

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Solution

The fourth proportional to 89,049.60, 133,485.70 and 44,540.52 is: 66,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.60 : 133,485.70 = 44,540.52 : x
  2. Step 2: Convert to fraction form
    89,049.60/133,485.70 = 44,540.52/x
  3. Step 3: Cross multiply
    89,049.60x = 133,485.70 × 44,540.52
  4. Step 4: Simplify right side
    89,049.60x = 5,945,522,490.56
  5. Step 5: Solve for x
    x = 5,945,522,490.56/89,049.60
  6. Step 6: Final answer
    x = 66,766.41

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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.