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Finding the Fourth Proportional to 219,394.44, 329,093.28 and 61,625.88

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Solution

The fourth proportional to 219,394.44, 329,093.28 and 61,625.88 is: 92,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,394.44 : 329,093.28 = 61,625.88 : x
  2. Step 2: Convert to fraction form
    219,394.44/329,093.28 = 61,625.88/x
  3. Step 3: Cross multiply
    219,394.44x = 329,093.28 × 61,625.88
  4. Step 4: Simplify right side
    219,394.44x = 20,280,662,982.09
  5. Step 5: Solve for x
    x = 20,280,662,982.09/219,394.44
  6. Step 6: Final answer
    x = 92,439.28

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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.