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Finding the Fourth Proportional to 73,506.93, 110,121.27 and 43,431.22

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Solution

The fourth proportional to 73,506.93, 110,121.27 and 43,431.22 is: 65,064.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,506.93 : 110,121.27 = 43,431.22 : x
  2. Step 2: Convert to fraction form
    73,506.93/110,121.27 = 43,431.22/x
  3. Step 3: Cross multiply
    73,506.93x = 110,121.27 × 43,431.22
  4. Step 4: Simplify right side
    73,506.93x = 4,782,701,104.05
  5. Step 5: Solve for x
    x = 4,782,701,104.05/73,506.93
  6. Step 6: Final answer
    x = 65,064.63

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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.