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Finding the Fourth Proportional to 73,172.58, 100,972.62 and 41,344.44

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Solution

The fourth proportional to 73,172.58, 100,972.62 and 41,344.44 is: 57,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.58 : 100,972.62 = 41,344.44 : x
  2. Step 2: Convert to fraction form
    73,172.58/100,972.62 = 41,344.44/x
  3. Step 3: Cross multiply
    73,172.58x = 100,972.62 × 41,344.44
  4. Step 4: Simplify right side
    73,172.58x = 4,174,656,429.23
  5. Step 5: Solve for x
    x = 4,174,656,429.23/73,172.58
  6. Step 6: Final answer
    x = 57,052.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.