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Finding the Fourth Proportional to 272,243.56, 375,640.78 and 159,044.44

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Solution

The fourth proportional to 272,243.56, 375,640.78 and 159,044.44 is: 219,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,243.56 : 375,640.78 = 159,044.44 : x
  2. Step 2: Convert to fraction form
    272,243.56/375,640.78 = 159,044.44/x
  3. Step 3: Cross multiply
    272,243.56x = 375,640.78 × 159,044.44
  4. Step 4: Simplify right side
    272,243.56x = 59,743,575,220.45
  5. Step 5: Solve for x
    x = 59,743,575,220.45/272,243.56
  6. Step 6: Final answer
    x = 219,449.00

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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.