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Finding the Fourth Proportional to 333,456.41, 500,185.90 and 80,736.48

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Solution

The fourth proportional to 333,456.41, 500,185.90 and 80,736.48 is: 121,105.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,456.41 : 500,185.90 = 80,736.48 : x
  2. Step 2: Convert to fraction form
    333,456.41/500,185.90 = 80,736.48/x
  3. Step 3: Cross multiply
    333,456.41x = 500,185.90 × 80,736.48
  4. Step 4: Simplify right side
    333,456.41x = 40,383,248,911.63
  5. Step 5: Solve for x
    x = 40,383,248,911.63/333,456.41
  6. Step 6: Final answer
    x = 121,105.03

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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.