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Finding the Fourth Proportional to 274,544.59, 378,860.16 and 159,826.19

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Solution

The fourth proportional to 274,544.59, 378,860.16 and 159,826.19 is: 220,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,544.59 : 378,860.16 = 159,826.19 : x
  2. Step 2: Convert to fraction form
    274,544.59/378,860.16 = 159,826.19/x
  3. Step 3: Cross multiply
    274,544.59x = 378,860.16 × 159,826.19
  4. Step 4: Simplify right side
    274,544.59x = 60,551,775,236.67
  5. Step 5: Solve for x
    x = 60,551,775,236.67/274,544.59
  6. Step 6: Final answer
    x = 220,553.52

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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.