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Finding the Fourth Proportional to 275,067.02, 412,604.16 and 88,078.52

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Solution

The fourth proportional to 275,067.02, 412,604.16 and 88,078.52 is: 132,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,067.02 : 412,604.16 = 88,078.52 : x
  2. Step 2: Convert to fraction form
    275,067.02/412,604.16 = 88,078.52/x
  3. Step 3: Cross multiply
    275,067.02x = 412,604.16 × 88,078.52
  4. Step 4: Simplify right side
    275,067.02x = 36,341,563,758.64
  5. Step 5: Solve for x
    x = 36,341,563,758.64/275,067.02
  6. Step 6: Final answer
    x = 132,118.94

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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.