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Finding the Fourth Proportional to 275,072.44, 412,614.42 and 88,083.40

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Solution

The fourth proportional to 275,072.44, 412,614.42 and 88,083.40 is: 132,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,072.44 : 412,614.42 = 88,083.40 : x
  2. Step 2: Convert to fraction form
    275,072.44/412,614.42 = 88,083.40/x
  3. Step 3: Cross multiply
    275,072.44x = 412,614.42 × 88,083.40
  4. Step 4: Simplify right side
    275,072.44x = 36,344,481,002.63
  5. Step 5: Solve for x
    x = 36,344,481,002.63/275,072.44
  6. Step 6: Final answer
    x = 132,126.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.