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Finding the Fourth Proportional to 300,573.66, 450,890.61 and 111,083.85

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Solution

The fourth proportional to 300,573.66, 450,890.61 and 111,083.85 is: 166,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,573.66 : 450,890.61 = 111,083.85 : x
  2. Step 2: Convert to fraction form
    300,573.66/450,890.61 = 111,083.85/x
  3. Step 3: Cross multiply
    300,573.66x = 450,890.61 × 111,083.85
  4. Step 4: Simplify right side
    300,573.66x = 50,086,664,887.65
  5. Step 5: Solve for x
    x = 50,086,664,887.65/300,573.66
  6. Step 6: Final answer
    x = 166,636.91

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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.