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Finding the Fourth Proportional to 74,383.80, 111,464.94 and 41,113.44

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Solution

The fourth proportional to 74,383.80, 111,464.94 and 41,113.44 is: 61,608.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,383.80 : 111,464.94 = 41,113.44 : x
  2. Step 2: Convert to fraction form
    74,383.80/111,464.94 = 41,113.44/x
  3. Step 3: Cross multiply
    74,383.80x = 111,464.94 × 41,113.44
  4. Step 4: Simplify right side
    74,383.80x = 4,582,707,122.79
  5. Step 5: Solve for x
    x = 4,582,707,122.79/74,383.80
  6. Step 6: Final answer
    x = 61,608.94

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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.