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Finding the Fourth Proportional to 79,339.82, 119,010.12 and 26,749.76

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Solution

The fourth proportional to 79,339.82, 119,010.12 and 26,749.76 is: 40,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.82 : 119,010.12 = 26,749.76 : x
  2. Step 2: Convert to fraction form
    79,339.82/119,010.12 = 26,749.76/x
  3. Step 3: Cross multiply
    79,339.82x = 119,010.12 × 26,749.76
  4. Step 4: Simplify right side
    79,339.82x = 3,183,491,552.52
  5. Step 5: Solve for x
    x = 3,183,491,552.52/79,339.82
  6. Step 6: Final answer
    x = 40,124.77

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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.