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Finding the Fourth Proportional to 275,235.86, 412,754.72 and 95,272.38

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Solution

The fourth proportional to 275,235.86, 412,754.72 and 95,272.38 is: 142,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,235.86 : 412,754.72 = 95,272.38 : x
  2. Step 2: Convert to fraction form
    275,235.86/412,754.72 = 95,272.38/x
  3. Step 3: Cross multiply
    275,235.86x = 412,754.72 × 95,272.38
  4. Step 4: Simplify right side
    275,235.86x = 39,324,124,530.63
  5. Step 5: Solve for x
    x = 39,324,124,530.63/275,235.86
  6. Step 6: Final answer
    x = 142,874.28

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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.