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Finding the Fourth Proportional to 264,103.65, 396,012.11 and 119,930.31

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Solution

The fourth proportional to 264,103.65, 396,012.11 and 119,930.31 is: 179,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,103.65 : 396,012.11 = 119,930.31 : x
  2. Step 2: Convert to fraction form
    264,103.65/396,012.11 = 119,930.31/x
  3. Step 3: Cross multiply
    264,103.65x = 396,012.11 × 119,930.31
  4. Step 4: Simplify right side
    264,103.65x = 47,493,855,116.05
  5. Step 5: Solve for x
    x = 47,493,855,116.05/264,103.65
  6. Step 6: Final answer
    x = 179,830.36

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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.