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Finding the Fourth Proportional to 60,481.62, 90,722.46 and 50,071.50

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Solution

The fourth proportional to 60,481.62, 90,722.46 and 50,071.50 is: 75,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,481.62 : 90,722.46 = 50,071.50 : x
  2. Step 2: Convert to fraction form
    60,481.62/90,722.46 = 50,071.50/x
  3. Step 3: Cross multiply
    60,481.62x = 90,722.46 × 50,071.50
  4. Step 4: Simplify right side
    60,481.62x = 4,542,609,655.89
  5. Step 5: Solve for x
    x = 4,542,609,655.89/60,481.62
  6. Step 6: Final answer
    x = 75,107.27

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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.