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Finding the Fourth Proportional to 110,736.60, 166,104.90 and 40,606.80

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Solution

The fourth proportional to 110,736.60, 166,104.90 and 40,606.80 is: 60,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,736.60 : 166,104.90 = 40,606.80 : x
  2. Step 2: Convert to fraction form
    110,736.60/166,104.90 = 40,606.80/x
  3. Step 3: Cross multiply
    110,736.60x = 166,104.90 × 40,606.80
  4. Step 4: Simplify right side
    110,736.60x = 6,744,988,453.32
  5. Step 5: Solve for x
    x = 6,744,988,453.32/110,736.60
  6. Step 6: Final answer
    x = 60,910.20

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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.