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Finding the Fourth Proportional to 119,699.58, 179,481.33 and 49,540.62

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Solution

The fourth proportional to 119,699.58, 179,481.33 and 49,540.62 is: 74,282.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,699.58 : 179,481.33 = 49,540.62 : x
  2. Step 2: Convert to fraction form
    119,699.58/179,481.33 = 49,540.62/x
  3. Step 3: Cross multiply
    119,699.58x = 179,481.33 × 49,540.62
  4. Step 4: Simplify right side
    119,699.58x = 8,891,616,366.62
  5. Step 5: Solve for x
    x = 8,891,616,366.62/119,699.58
  6. Step 6: Final answer
    x = 74,282.77

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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.