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Finding the Fourth Proportional to 223,481.39, 335,432.75 and 81,463.93

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Solution

The fourth proportional to 223,481.39, 335,432.75 and 81,463.93 is: 122,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,481.39 : 335,432.75 = 81,463.93 : x
  2. Step 2: Convert to fraction form
    223,481.39/335,432.75 = 81,463.93/x
  3. Step 3: Cross multiply
    223,481.39x = 335,432.75 × 81,463.93
  4. Step 4: Simplify right side
    223,481.39x = 27,325,668,819.81
  5. Step 5: Solve for x
    x = 27,325,668,819.81/223,481.39
  6. Step 6: Final answer
    x = 122,272.68

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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.