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Finding the Fourth Proportional to 273,114.78, 376,684.74 and 177,651.96

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Solution

The fourth proportional to 273,114.78, 376,684.74 and 177,651.96 is: 245,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,114.78 : 376,684.74 = 177,651.96 : x
  2. Step 2: Convert to fraction form
    273,114.78/376,684.74 = 177,651.96/x
  3. Step 3: Cross multiply
    273,114.78x = 376,684.74 × 177,651.96
  4. Step 4: Simplify right side
    273,114.78x = 66,918,782,363.09
  5. Step 5: Solve for x
    x = 66,918,782,363.09/273,114.78
  6. Step 6: Final answer
    x = 245,020.73

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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.