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Finding the Fourth Proportional to 103,906.44, 143,388.01 and 58,584.03

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Solution

The fourth proportional to 103,906.44, 143,388.01 and 58,584.03 is: 80,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,906.44 : 143,388.01 = 58,584.03 : x
  2. Step 2: Convert to fraction form
    103,906.44/143,388.01 = 58,584.03/x
  3. Step 3: Cross multiply
    103,906.44x = 143,388.01 × 58,584.03
  4. Step 4: Simplify right side
    103,906.44x = 8,400,247,479.48
  5. Step 5: Solve for x
    x = 8,400,247,479.48/103,906.44
  6. Step 6: Final answer
    x = 80,844.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.