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Finding the Fourth Proportional to 48,846.80, 73,183.80 and 45,736.40

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Solution

The fourth proportional to 48,846.80, 73,183.80 and 45,736.40 is: 68,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,846.80 : 73,183.80 = 45,736.40 : x
  2. Step 2: Convert to fraction form
    48,846.80/73,183.80 = 45,736.40/x
  3. Step 3: Cross multiply
    48,846.80x = 73,183.80 × 45,736.40
  4. Step 4: Simplify right side
    48,846.80x = 3,347,163,550.32
  5. Step 5: Solve for x
    x = 3,347,163,550.32/48,846.80
  6. Step 6: Final answer
    x = 68,523.70

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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.