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Finding the Fourth Proportional to 111,460.64, 167,190.38 and 27,221.28

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Solution

The fourth proportional to 111,460.64, 167,190.38 and 27,221.28 is: 40,831.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,460.64 : 167,190.38 = 27,221.28 : x
  2. Step 2: Convert to fraction form
    111,460.64/167,190.38 = 27,221.28/x
  3. Step 3: Cross multiply
    111,460.64x = 167,190.38 × 27,221.28
  4. Step 4: Simplify right side
    111,460.64x = 4,551,136,147.29
  5. Step 5: Solve for x
    x = 4,551,136,147.29/111,460.64
  6. Step 6: Final answer
    x = 40,831.78

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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.