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Finding the Fourth Proportional to 273,238.72, 376,940.74 and 177,710.56

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Solution

The fourth proportional to 273,238.72, 376,940.74 and 177,710.56 is: 245,156.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,238.72 : 376,940.74 = 177,710.56 : x
  2. Step 2: Convert to fraction form
    273,238.72/376,940.74 = 177,710.56/x
  3. Step 3: Cross multiply
    273,238.72x = 376,940.74 × 177,710.56
  4. Step 4: Simplify right side
    273,238.72x = 66,986,348,938.79
  5. Step 5: Solve for x
    x = 66,986,348,938.79/273,238.72
  6. Step 6: Final answer
    x = 245,156.87

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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.