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Finding the Fourth Proportional to 223,374.51, 335,227.87 and 90,255.92

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Solution

The fourth proportional to 223,374.51, 335,227.87 and 90,255.92 is: 135,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,374.51 : 335,227.87 = 90,255.92 : x
  2. Step 2: Convert to fraction form
    223,374.51/335,227.87 = 90,255.92/x
  3. Step 3: Cross multiply
    223,374.51x = 335,227.87 × 90,255.92
  4. Step 4: Simplify right side
    223,374.51x = 30,256,299,631.14
  5. Step 5: Solve for x
    x = 30,256,299,631.14/223,374.51
  6. Step 6: Final answer
    x = 135,450.99

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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.