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Finding the Fourth Proportional to 73,703.10, 110,489.85 and 44,132.70

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Solution

The fourth proportional to 73,703.10, 110,489.85 and 44,132.70 is: 66,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.10 : 110,489.85 = 44,132.70 : x
  2. Step 2: Convert to fraction form
    73,703.10/110,489.85 = 44,132.70/x
  3. Step 3: Cross multiply
    73,703.10x = 110,489.85 × 44,132.70
  4. Step 4: Simplify right side
    73,703.10x = 4,876,215,403.10
  5. Step 5: Solve for x
    x = 4,876,215,403.10/73,703.10
  6. Step 6: Final answer
    x = 66,160.25

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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.