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Finding the Fourth Proportional to 219,550.62, 329,345.37 and 61,780.44

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Solution

The fourth proportional to 219,550.62, 329,345.37 and 61,780.44 is: 92,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,550.62 : 329,345.37 = 61,780.44 : x
  2. Step 2: Convert to fraction form
    219,550.62/329,345.37 = 61,780.44/x
  3. Step 3: Cross multiply
    219,550.62x = 329,345.37 × 61,780.44
  4. Step 4: Simplify right side
    219,550.62x = 20,347,101,870.56
  5. Step 5: Solve for x
    x = 20,347,101,870.56/219,550.62
  6. Step 6: Final answer
    x = 92,676.13

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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.