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Finding the Fourth Proportional to 270,531.87, 373,453.56 and 161,674.62

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Solution

The fourth proportional to 270,531.87, 373,453.56 and 161,674.62 is: 223,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,531.87 : 373,453.56 = 161,674.62 : x
  2. Step 2: Convert to fraction form
    270,531.87/373,453.56 = 161,674.62/x
  3. Step 3: Cross multiply
    270,531.87x = 373,453.56 × 161,674.62
  4. Step 4: Simplify right side
    270,531.87x = 60,377,962,400.65
  5. Step 5: Solve for x
    x = 60,377,962,400.65/270,531.87
  6. Step 6: Final answer
    x = 223,182.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.