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Finding the Fourth Proportional to 188,873.82, 283,207.11 and 74,906.22

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Solution

The fourth proportional to 188,873.82, 283,207.11 and 74,906.22 is: 112,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,873.82 : 283,207.11 = 74,906.22 : x
  2. Step 2: Convert to fraction form
    188,873.82/283,207.11 = 74,906.22/x
  3. Step 3: Cross multiply
    188,873.82x = 283,207.11 × 74,906.22
  4. Step 4: Simplify right side
    188,873.82x = 21,213,974,087.22
  5. Step 5: Solve for x
    x = 21,213,974,087.22/188,873.82
  6. Step 6: Final answer
    x = 112,318.23

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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.