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Finding the Fourth Proportional to 73,942.80, 110,914.20 and 50,614.80

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Solution

The fourth proportional to 73,942.80, 110,914.20 and 50,614.80 is: 75,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,942.80 : 110,914.20 = 50,614.80 : x
  2. Step 2: Convert to fraction form
    73,942.80/110,914.20 = 50,614.80/x
  3. Step 3: Cross multiply
    73,942.80x = 110,914.20 × 50,614.80
  4. Step 4: Simplify right side
    73,942.80x = 5,613,900,050.16
  5. Step 5: Solve for x
    x = 5,613,900,050.16/73,942.80
  6. Step 6: Final answer
    x = 75,922.20

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1.5x scale

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.