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Finding the Fourth Proportional to 126,046.64, 189,042.96 and 37,300.88

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Solution

The fourth proportional to 126,046.64, 189,042.96 and 37,300.88 is: 55,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,046.64 : 189,042.96 = 37,300.88 : x
  2. Step 2: Convert to fraction form
    126,046.64/189,042.96 = 37,300.88/x
  3. Step 3: Cross multiply
    126,046.64x = 189,042.96 × 37,300.88
  4. Step 4: Simplify right side
    126,046.64x = 7,051,468,765.80
  5. Step 5: Solve for x
    x = 7,051,468,765.80/126,046.64
  6. Step 6: Final answer
    x = 55,943.33

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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.