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Finding the Fourth Proportional to 263,980.82, 364,198.07 and 173,385.90

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Solution

The fourth proportional to 263,980.82, 364,198.07 and 173,385.90 is: 239,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,980.82 : 364,198.07 = 173,385.90 : x
  2. Step 2: Convert to fraction form
    263,980.82/364,198.07 = 173,385.90/x
  3. Step 3: Cross multiply
    263,980.82x = 364,198.07 × 173,385.90
  4. Step 4: Simplify right side
    263,980.82x = 63,146,810,578.68
  5. Step 5: Solve for x
    x = 63,146,810,578.68/263,980.82
  6. Step 6: Final answer
    x = 239,209.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.