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Finding the Fourth Proportional to 69,904.44, 104,767.56 and 30,450.96

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Solution

The fourth proportional to 69,904.44, 104,767.56 and 30,450.96 is: 45,637.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,904.44 : 104,767.56 = 30,450.96 : x
  2. Step 2: Convert to fraction form
    69,904.44/104,767.56 = 30,450.96/x
  3. Step 3: Cross multiply
    69,904.44x = 104,767.56 × 30,450.96
  4. Step 4: Simplify right side
    69,904.44x = 3,190,272,778.86
  5. Step 5: Solve for x
    x = 3,190,272,778.86/69,904.44
  6. Step 6: Final answer
    x = 45,637.63

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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.