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Finding the Fourth Proportional to 199,842.75, 275,783.04 and 110,418.75

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Solution

The fourth proportional to 199,842.75, 275,783.04 and 110,418.75 is: 152,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,842.75 : 275,783.04 = 110,418.75 : x
  2. Step 2: Convert to fraction form
    199,842.75/275,783.04 = 110,418.75/x
  3. Step 3: Cross multiply
    199,842.75x = 275,783.04 × 110,418.75
  4. Step 4: Simplify right side
    199,842.75x = 30,451,618,548.00
  5. Step 5: Solve for x
    x = 30,451,618,548.00/199,842.75
  6. Step 6: Final answer
    x = 152,377.90

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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.