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Finding the Fourth Proportional to 168,611.73, 252,928.53 and 50,295.03

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Solution

The fourth proportional to 168,611.73, 252,928.53 and 50,295.03 is: 75,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611.73 : 252,928.53 = 50,295.03 : x
  2. Step 2: Convert to fraction form
    168,611.73/252,928.53 = 50,295.03/x
  3. Step 3: Cross multiply
    168,611.73x = 252,928.53 × 50,295.03
  4. Step 4: Simplify right side
    168,611.73x = 12,721,048,004.21
  5. Step 5: Solve for x
    x = 12,721,048,004.21/168,611.73
  6. Step 6: Final answer
    x = 75,445.81

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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.