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Finding the Fourth Proportional to 73,229.40, 109,844.10 and 48,297.60

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Solution

The fourth proportional to 73,229.40, 109,844.10 and 48,297.60 is: 72,446.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,229.40 : 109,844.10 = 48,297.60 : x
  2. Step 2: Convert to fraction form
    73,229.40/109,844.10 = 48,297.60/x
  3. Step 3: Cross multiply
    73,229.40x = 109,844.10 × 48,297.60
  4. Step 4: Simplify right side
    73,229.40x = 5,305,206,404.16
  5. Step 5: Solve for x
    x = 5,305,206,404.16/73,229.40
  6. Step 6: Final answer
    x = 72,446.40

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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.