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Finding the Fourth Proportional to 270,589.50, 405,879.99 and 93,098.04

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Solution

The fourth proportional to 270,589.50, 405,879.99 and 93,098.04 is: 139,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,589.50 : 405,879.99 = 93,098.04 : x
  2. Step 2: Convert to fraction form
    270,589.50/405,879.99 = 93,098.04/x
  3. Step 3: Cross multiply
    270,589.50x = 405,879.99 × 93,098.04
  4. Step 4: Simplify right side
    270,589.50x = 37,786,631,544.22
  5. Step 5: Solve for x
    x = 37,786,631,544.22/270,589.50
  6. Step 6: Final answer
    x = 139,645.59

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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.