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Finding the Fourth Proportional to 79,906.58, 119,828.72 and 29,959.44

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Solution

The fourth proportional to 79,906.58, 119,828.72 and 29,959.44 is: 44,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,906.58 : 119,828.72 = 29,959.44 : x
  2. Step 2: Convert to fraction form
    79,906.58/119,828.72 = 29,959.44/x
  3. Step 3: Cross multiply
    79,906.58x = 119,828.72 × 29,959.44
  4. Step 4: Simplify right side
    79,906.58x = 3,590,001,347.12
  5. Step 5: Solve for x
    x = 3,590,001,347.12/79,906.58
  6. Step 6: Final answer
    x = 44,927.48

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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.