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Finding the Fourth Proportional to 273,239.72, 376,942.12 and 177,711.56

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Solution

The fourth proportional to 273,239.72, 376,942.12 and 177,711.56 is: 245,158.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,239.72 : 376,942.12 = 177,711.56 : x
  2. Step 2: Convert to fraction form
    273,239.72/376,942.12 = 177,711.56/x
  3. Step 3: Cross multiply
    273,239.72x = 376,942.12 × 177,711.56
  4. Step 4: Simplify right side
    273,239.72x = 66,986,972,174.91
  5. Step 5: Solve for x
    x = 66,986,972,174.91/273,239.72
  6. Step 6: Final answer
    x = 245,158.25

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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.