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Finding the Fourth Proportional to 119,676.78, 179,514.63 and 30,922.74

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Solution

The fourth proportional to 119,676.78, 179,514.63 and 30,922.74 is: 46,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,676.78 : 179,514.63 = 30,922.74 : x
  2. Step 2: Convert to fraction form
    119,676.78/179,514.63 = 30,922.74/x
  3. Step 3: Cross multiply
    119,676.78x = 179,514.63 × 30,922.74
  4. Step 4: Simplify right side
    119,676.78x = 5,551,084,229.69
  5. Step 5: Solve for x
    x = 5,551,084,229.69/119,676.78
  6. Step 6: Final answer
    x = 46,383.97

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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.