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Finding the Fourth Proportional to 223,556.40, 335,237.40 and 73,738.80

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Solution

The fourth proportional to 223,556.40, 335,237.40 and 73,738.80 is: 110,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,556.40 : 335,237.40 = 73,738.80 : x
  2. Step 2: Convert to fraction form
    223,556.40/335,237.40 = 73,738.80/x
  3. Step 3: Cross multiply
    223,556.40x = 335,237.40 × 73,738.80
  4. Step 4: Simplify right side
    223,556.40x = 24,720,003,591.12
  5. Step 5: Solve for x
    x = 24,720,003,591.12/223,556.40
  6. Step 6: Final answer
    x = 110,576.14

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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.