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Finding the Fourth Proportional to 175,372.80, 263,078.40 and 169,843.20

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Solution

The fourth proportional to 175,372.80, 263,078.40 and 169,843.20 is: 254,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,372.80 : 263,078.40 = 169,843.20 : x
  2. Step 2: Convert to fraction form
    175,372.80/263,078.40 = 169,843.20/x
  3. Step 3: Cross multiply
    175,372.80x = 263,078.40 × 169,843.20
  4. Step 4: Simplify right side
    175,372.80x = 44,682,077,306.88
  5. Step 5: Solve for x
    x = 44,682,077,306.88/175,372.80
  6. Step 6: Final answer
    x = 254,783.39

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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.