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Finding the Fourth Proportional to 123,310.46, 184,921.92 and 44,403.50

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Solution

The fourth proportional to 123,310.46, 184,921.92 and 44,403.50 is: 66,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,310.46 : 184,921.92 = 44,403.50 : x
  2. Step 2: Convert to fraction form
    123,310.46/184,921.92 = 44,403.50/x
  3. Step 3: Cross multiply
    123,310.46x = 184,921.92 × 44,403.50
  4. Step 4: Simplify right side
    123,310.46x = 8,211,180,474.72
  5. Step 5: Solve for x
    x = 8,211,180,474.72/123,310.46
  6. Step 6: Final answer
    x = 66,589.49

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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.