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Finding the Fourth Proportional to 126,050.48, 189,105.20 and 42,944.48

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Solution

The fourth proportional to 126,050.48, 189,105.20 and 42,944.48 is: 64,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,050.48 : 189,105.20 = 42,944.48 : x
  2. Step 2: Convert to fraction form
    126,050.48/189,105.20 = 42,944.48/x
  3. Step 3: Cross multiply
    126,050.48x = 189,105.20 × 42,944.48
  4. Step 4: Simplify right side
    126,050.48x = 8,121,024,479.30
  5. Step 5: Solve for x
    x = 8,121,024,479.30/126,050.48
  6. Step 6: Final answer
    x = 64,426.76

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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.