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Finding the Fourth Proportional to 75,556.54, 104,272.44 and 43,736.50

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Solution

The fourth proportional to 75,556.54, 104,272.44 and 43,736.50 is: 60,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.54 : 104,272.44 = 43,736.50 : x
  2. Step 2: Convert to fraction form
    75,556.54/104,272.44 = 43,736.50/x
  3. Step 3: Cross multiply
    75,556.54x = 104,272.44 × 43,736.50
  4. Step 4: Simplify right side
    75,556.54x = 4,560,511,572.06
  5. Step 5: Solve for x
    x = 4,560,511,572.06/75,556.54
  6. Step 6: Final answer
    x = 60,358.93

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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.