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Finding the Fourth Proportional to 223,407.92, 335,040.78 and 73,620.26

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Solution

The fourth proportional to 223,407.92, 335,040.78 and 73,620.26 is: 110,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,407.92 : 335,040.78 = 73,620.26 : x
  2. Step 2: Convert to fraction form
    223,407.92/335,040.78 = 73,620.26/x
  3. Step 3: Cross multiply
    223,407.92x = 335,040.78 × 73,620.26
  4. Step 4: Simplify right side
    223,407.92x = 24,665,789,334.20
  5. Step 5: Solve for x
    x = 24,665,789,334.20/223,407.92
  6. Step 6: Final answer
    x = 110,406.96

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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.