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Finding the Fourth Proportional to 115,762.44, 173,609.46 and 49,200.60

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Solution

The fourth proportional to 115,762.44, 173,609.46 and 49,200.60 is: 73,786.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,762.44 : 173,609.46 = 49,200.60 : x
  2. Step 2: Convert to fraction form
    115,762.44/173,609.46 = 49,200.60/x
  3. Step 3: Cross multiply
    115,762.44x = 173,609.46 × 49,200.60
  4. Step 4: Simplify right side
    115,762.44x = 8,541,689,597.68
  5. Step 5: Solve for x
    x = 8,541,689,597.68/115,762.44
  6. Step 6: Final answer
    x = 73,786.36

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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.