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Finding the Fourth Proportional to 269,358.52, 371,697.90 and 148,493.56

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Solution

The fourth proportional to 269,358.52, 371,697.90 and 148,493.56 is: 204,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,358.52 : 371,697.90 = 148,493.56 : x
  2. Step 2: Convert to fraction form
    269,358.52/371,697.90 = 148,493.56/x
  3. Step 3: Cross multiply
    269,358.52x = 371,697.90 × 148,493.56
  4. Step 4: Simplify right side
    269,358.52x = 55,194,744,415.52
  5. Step 5: Solve for x
    x = 55,194,744,415.52/269,358.52
  6. Step 6: Final answer
    x = 204,911.82

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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.