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Finding the Fourth Proportional to 269,076.92, 371,324.39 and 148,215.39

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Solution

The fourth proportional to 269,076.92, 371,324.39 and 148,215.39 is: 204,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,076.92 : 371,324.39 = 148,215.39 : x
  2. Step 2: Convert to fraction form
    269,076.92/371,324.39 = 148,215.39/x
  3. Step 3: Cross multiply
    269,076.92x = 371,324.39 × 148,215.39
  4. Step 4: Simplify right side
    269,076.92x = 55,035,988,539.29
  5. Step 5: Solve for x
    x = 55,035,988,539.29/269,076.92
  6. Step 6: Final answer
    x = 204,536.27

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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.