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Finding the Fourth Proportional to 73,556.37, 110,334.56 and 20,964.49

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Solution

The fourth proportional to 73,556.37, 110,334.56 and 20,964.49 is: 31,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,556.37 : 110,334.56 = 20,964.49 : x
  2. Step 2: Convert to fraction form
    73,556.37/110,334.56 = 20,964.49/x
  3. Step 3: Cross multiply
    73,556.37x = 110,334.56 × 20,964.49
  4. Step 4: Simplify right side
    73,556.37x = 2,313,107,779.77
  5. Step 5: Solve for x
    x = 2,313,107,779.77/73,556.37
  6. Step 6: Final answer
    x = 31,446.74

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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.