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Finding the Fourth Proportional to 112,794, 169,191 and 38,922

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Solution

The fourth proportional to 112,794, 169,191 and 38,922 is: 58,383

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,794 : 169,191 = 38,922 : x
  2. Step 2: Convert to fraction form
    112,794/169,191 = 38,922/x
  3. Step 3: Cross multiply
    112,794x = 169,191 × 38,922
  4. Step 4: Simplify right side
    112,794x = 6,585,252,102
  5. Step 5: Solve for x
    x = 6,585,252,102/112,794
  6. Step 6: Final answer
    x = 58,383

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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.