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Finding the Fourth Proportional to 111,617.44, 167,407.76 and 36,738.56

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Solution

The fourth proportional to 111,617.44, 167,407.76 and 36,738.56 is: 55,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,617.44 : 167,407.76 = 36,738.56 : x
  2. Step 2: Convert to fraction form
    111,617.44/167,407.76 = 36,738.56/x
  3. Step 3: Cross multiply
    111,617.44x = 167,407.76 × 36,738.56
  4. Step 4: Simplify right side
    111,617.44x = 6,150,320,035.23
  5. Step 5: Solve for x
    x = 6,150,320,035.23/111,617.44
  6. Step 6: Final answer
    x = 55,101.78

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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.