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Finding the Fourth Proportional to 74,469.63, 111,680.75 and 24,540.42

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Solution

The fourth proportional to 74,469.63, 111,680.75 and 24,540.42 is: 36,802.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,469.63 : 111,680.75 = 24,540.42 : x
  2. Step 2: Convert to fraction form
    74,469.63/111,680.75 = 24,540.42/x
  3. Step 3: Cross multiply
    74,469.63x = 111,680.75 × 24,540.42
  4. Step 4: Simplify right side
    74,469.63x = 2,740,692,572.27
  5. Step 5: Solve for x
    x = 2,740,692,572.27/74,469.63
  6. Step 6: Final answer
    x = 36,802.82

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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.