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Finding the Fourth Proportional to 223,733.49, 335,401.21 and 81,552.07

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Solution

The fourth proportional to 223,733.49, 335,401.21 and 81,552.07 is: 122,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,733.49 : 335,401.21 = 81,552.07 : x
  2. Step 2: Convert to fraction form
    223,733.49/335,401.21 = 81,552.07/x
  3. Step 3: Cross multiply
    223,733.49x = 335,401.21 × 81,552.07
  4. Step 4: Simplify right side
    223,733.49x = 27,352,661,131.83
  5. Step 5: Solve for x
    x = 27,352,661,131.83/223,733.49
  6. Step 6: Final answer
    x = 122,255.55

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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.