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Finding the Fourth Proportional to 220,105.60, 330,158.40 and 194,736.40

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Solution

The fourth proportional to 220,105.60, 330,158.40 and 194,736.40 is: 292,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,105.60 : 330,158.40 = 194,736.40 : x
  2. Step 2: Convert to fraction form
    220,105.60/330,158.40 = 194,736.40/x
  3. Step 3: Cross multiply
    220,105.60x = 330,158.40 × 194,736.40
  4. Step 4: Simplify right side
    220,105.60x = 64,293,858,245.76
  5. Step 5: Solve for x
    x = 64,293,858,245.76/220,105.60
  6. Step 6: Final answer
    x = 292,104.60

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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.