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Finding the Fourth Proportional to 223,793.23, 335,743.16 and 66,021.84

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Solution

The fourth proportional to 223,793.23, 335,743.16 and 66,021.84 is: 99,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,793.23 : 335,743.16 = 66,021.84 : x
  2. Step 2: Convert to fraction form
    223,793.23/335,743.16 = 66,021.84/x
  3. Step 3: Cross multiply
    223,793.23x = 335,743.16 × 66,021.84
  4. Step 4: Simplify right side
    223,793.23x = 22,166,381,190.61
  5. Step 5: Solve for x
    x = 22,166,381,190.61/223,793.23
  6. Step 6: Final answer
    x = 99,048.49

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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.