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Finding the Fourth Proportional to 100,613.52, 150,814.44 and 33,990.48

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Solution

The fourth proportional to 100,613.52, 150,814.44 and 33,990.48 is: 50,949.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,613.52 : 150,814.44 = 33,990.48 : x
  2. Step 2: Convert to fraction form
    100,613.52/150,814.44 = 33,990.48/x
  3. Step 3: Cross multiply
    100,613.52x = 150,814.44 × 33,990.48
  4. Step 4: Simplify right side
    100,613.52x = 5,126,255,206.53
  5. Step 5: Solve for x
    x = 5,126,255,206.53/100,613.52
  6. Step 6: Final answer
    x = 50,949.96

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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.