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Finding the Fourth Proportional to 269,227.78, 371,536.78 and 148,373.38

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Solution

The fourth proportional to 269,227.78, 371,536.78 and 148,373.38 is: 204,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,227.78 : 371,536.78 = 148,373.38 : x
  2. Step 2: Convert to fraction form
    269,227.78/371,536.78 = 148,373.38/x
  3. Step 3: Cross multiply
    269,227.78x = 371,536.78 × 148,373.38
  4. Step 4: Simplify right side
    269,227.78x = 55,126,167,842.92
  5. Step 5: Solve for x
    x = 55,126,167,842.92/269,227.78
  6. Step 6: Final answer
    x = 204,756.61

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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.