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Finding the Fourth Proportional to 198,355.92, 297,533.79 and 50,611.92

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Solution

The fourth proportional to 198,355.92, 297,533.79 and 50,611.92 is: 75,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,355.92 : 297,533.79 = 50,611.92 : x
  2. Step 2: Convert to fraction form
    198,355.92/297,533.79 = 50,611.92/x
  3. Step 3: Cross multiply
    198,355.92x = 297,533.79 × 50,611.92
  4. Step 4: Simplify right side
    198,355.92x = 15,058,756,376.78
  5. Step 5: Solve for x
    x = 15,058,756,376.78/198,355.92
  6. Step 6: Final answer
    x = 75,917.86

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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.