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Finding the Fourth Proportional to 126,498.70, 189,747.85 and 33,004.45

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Solution

The fourth proportional to 126,498.70, 189,747.85 and 33,004.45 is: 49,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,498.70 : 189,747.85 = 33,004.45 : x
  2. Step 2: Convert to fraction form
    126,498.70/189,747.85 = 33,004.45/x
  3. Step 3: Cross multiply
    126,498.70x = 189,747.85 × 33,004.45
  4. Step 4: Simplify right side
    126,498.70x = 6,262,523,427.93
  5. Step 5: Solve for x
    x = 6,262,523,427.93/126,498.70
  6. Step 6: Final answer
    x = 49,506.62

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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.