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Finding the Fourth Proportional to 273,243.41, 376,947.21 and 177,715.25

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Solution

The fourth proportional to 273,243.41, 376,947.21 and 177,715.25 is: 245,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,243.41 : 376,947.21 = 177,715.25 : x
  2. Step 2: Convert to fraction form
    273,243.41/376,947.21 = 177,715.25/x
  3. Step 3: Cross multiply
    273,243.41x = 376,947.21 × 177,715.25
  4. Step 4: Simplify right side
    273,243.41x = 66,989,265,777.22
  5. Step 5: Solve for x
    x = 66,989,265,777.22/273,243.41
  6. Step 6: Final answer
    x = 245,163.34

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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.