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Finding the Fourth Proportional to 275,047.44, 412,576.92 and 88,058.40

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Solution

The fourth proportional to 275,047.44, 412,576.92 and 88,058.40 is: 132,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,047.44 : 412,576.92 = 88,058.40 : x
  2. Step 2: Convert to fraction form
    275,047.44/412,576.92 = 88,058.40/x
  3. Step 3: Cross multiply
    275,047.44x = 412,576.92 × 88,058.40
  4. Step 4: Simplify right side
    275,047.44x = 36,330,863,452.13
  5. Step 5: Solve for x
    x = 36,330,863,452.13/275,047.44
  6. Step 6: Final answer
    x = 132,089.44

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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.