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Finding the Fourth Proportional to 111,608.44, 154,149.50 and 93,524.68

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Solution

The fourth proportional to 111,608.44, 154,149.50 and 93,524.68 is: 129,172.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,608.44 : 154,149.50 = 93,524.68 : x
  2. Step 2: Convert to fraction form
    111,608.44/154,149.50 = 93,524.68/x
  3. Step 3: Cross multiply
    111,608.44x = 154,149.50 × 93,524.68
  4. Step 4: Simplify right side
    111,608.44x = 14,416,782,659.66
  5. Step 5: Solve for x
    x = 14,416,782,659.66/111,608.44
  6. Step 6: Final answer
    x = 129,172.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.