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Finding the Fourth Proportional to 111,899.62, 167,847.78 and 27,659.80

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Solution

The fourth proportional to 111,899.62, 167,847.78 and 27,659.80 is: 41,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,899.62 : 167,847.78 = 27,659.80 : x
  2. Step 2: Convert to fraction form
    111,899.62/167,847.78 = 27,659.80/x
  3. Step 3: Cross multiply
    111,899.62x = 167,847.78 × 27,659.80
  4. Step 4: Simplify right side
    111,899.62x = 4,642,636,025.24
  5. Step 5: Solve for x
    x = 4,642,636,025.24/111,899.62
  6. Step 6: Final answer
    x = 41,489.29

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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.