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Finding the Fourth Proportional to 75,842.73, 104,662.13 and 41,851.49

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Solution

The fourth proportional to 75,842.73, 104,662.13 and 41,851.49 is: 57,754.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842.73 : 104,662.13 = 41,851.49 : x
  2. Step 2: Convert to fraction form
    75,842.73/104,662.13 = 41,851.49/x
  3. Step 3: Cross multiply
    75,842.73x = 104,662.13 × 41,851.49
  4. Step 4: Simplify right side
    75,842.73x = 4,380,265,354.51
  5. Step 5: Solve for x
    x = 4,380,265,354.51/75,842.73
  6. Step 6: Final answer
    x = 57,754.58

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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.