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Finding the Fourth Proportional to 126,043.55, 189,105.41 and 37,297.49

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Solution

The fourth proportional to 126,043.55, 189,105.41 and 37,297.49 is: 55,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,043.55 : 189,105.41 = 37,297.49 : x
  2. Step 2: Convert to fraction form
    126,043.55/189,105.41 = 37,297.49/x
  3. Step 3: Cross multiply
    126,043.55x = 189,105.41 × 37,297.49
  4. Step 4: Simplify right side
    126,043.55x = 7,053,156,951.93
  5. Step 5: Solve for x
    x = 7,053,156,951.93/126,043.55
  6. Step 6: Final answer
    x = 55,958.10

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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.