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Finding the Fourth Proportional to 79,906.39, 119,828.44 and 29,959.24

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Solution

The fourth proportional to 79,906.39, 119,828.44 and 29,959.24 is: 44,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.39 : 119,828.44 = 29,959.24 : x
  2. Step 2: Convert to fraction form
    79,906.39/119,828.44 = 29,959.24/x
  3. Step 3: Cross multiply
    79,906.39x = 119,828.44 × 29,959.24
  4. Step 4: Simplify right side
    79,906.39x = 3,589,968,992.79
  5. Step 5: Solve for x
    x = 3,589,968,992.79/79,906.39
  6. Step 6: Final answer
    x = 44,927.18

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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.