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Finding the Fourth Proportional to 104,000.80, 155,998.80 and 33,879.60

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Solution

The fourth proportional to 104,000.80, 155,998.80 and 33,879.60 is: 50,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,000.80 : 155,998.80 = 33,879.60 : x
  2. Step 2: Convert to fraction form
    104,000.80/155,998.80 = 33,879.60/x
  3. Step 3: Cross multiply
    104,000.80x = 155,998.80 × 33,879.60
  4. Step 4: Simplify right side
    104,000.80x = 5,285,176,944.48
  5. Step 5: Solve for x
    x = 5,285,176,944.48/104,000.80
  6. Step 6: Final answer
    x = 50,818.62

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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.