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Finding the Fourth Proportional to 75,796.54, 104,608.92 and 63,027.76

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Solution

The fourth proportional to 75,796.54, 104,608.92 and 63,027.76 is: 86,986.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,796.54 : 104,608.92 = 63,027.76 : x
  2. Step 2: Convert to fraction form
    75,796.54/104,608.92 = 63,027.76/x
  3. Step 3: Cross multiply
    75,796.54x = 104,608.92 × 63,027.76
  4. Step 4: Simplify right side
    75,796.54x = 6,593,265,903.62
  5. Step 5: Solve for x
    x = 6,593,265,903.62/75,796.54
  6. Step 6: Final answer
    x = 86,986.37

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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.