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Finding the Fourth Proportional to 111,571.64, 167,349 and 36,694.22

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Solution

The fourth proportional to 111,571.64, 167,349 and 36,694.22 is: 55,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,571.64 : 167,349 = 36,694.22 : x
  2. Step 2: Convert to fraction form
    111,571.64/167,349 = 36,694.22/x
  3. Step 3: Cross multiply
    111,571.64x = 167,349 × 36,694.22
  4. Step 4: Simplify right side
    111,571.64x = 6,140,741,022.78
  5. Step 5: Solve for x
    x = 6,140,741,022.78/111,571.64
  6. Step 6: Final answer
    x = 55,038.55

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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.