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Finding the Fourth Proportional to 111,940.60, 167,910.90 and 110,774.20

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Solution

The fourth proportional to 111,940.60, 167,910.90 and 110,774.20 is: 166,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,940.60 : 167,910.90 = 110,774.20 : x
  2. Step 2: Convert to fraction form
    111,940.60/167,910.90 = 110,774.20/x
  3. Step 3: Cross multiply
    111,940.60x = 167,910.90 × 110,774.20
  4. Step 4: Simplify right side
    111,940.60x = 18,600,195,618.78
  5. Step 5: Solve for x
    x = 18,600,195,618.78/111,940.60
  6. Step 6: Final answer
    x = 166,161.30

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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.