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Finding the Fourth Proportional to 219,481.98, 329,148.44 and 61,673.74

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Solution

The fourth proportional to 219,481.98, 329,148.44 and 61,673.74 is: 92,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,481.98 : 329,148.44 = 61,673.74 : x
  2. Step 2: Convert to fraction form
    219,481.98/329,148.44 = 61,673.74/x
  3. Step 3: Cross multiply
    219,481.98x = 329,148.44 × 61,673.74
  4. Step 4: Simplify right side
    219,481.98x = 20,299,815,309.97
  5. Step 5: Solve for x
    x = 20,299,815,309.97/219,481.98
  6. Step 6: Final answer
    x = 92,489.67

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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.