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Finding the Fourth Proportional to 80,884.44, 111,619.02 and 45,073.68

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Solution

The fourth proportional to 80,884.44, 111,619.02 and 45,073.68 is: 62,200.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,884.44 : 111,619.02 = 45,073.68 : x
  2. Step 2: Convert to fraction form
    80,884.44/111,619.02 = 45,073.68/x
  3. Step 3: Cross multiply
    80,884.44x = 111,619.02 × 45,073.68
  4. Step 4: Simplify right side
    80,884.44x = 5,031,079,989.39
  5. Step 5: Solve for x
    x = 5,031,079,989.39/80,884.44
  6. Step 6: Final answer
    x = 62,200.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.