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Finding the Fourth Proportional to 73,720.73, 101,731.60 and 41,454.43

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Solution

The fourth proportional to 73,720.73, 101,731.60 and 41,454.43 is: 57,205.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,720.73 : 101,731.60 = 41,454.43 : x
  2. Step 2: Convert to fraction form
    73,720.73/101,731.60 = 41,454.43/x
  3. Step 3: Cross multiply
    73,720.73x = 101,731.60 × 41,454.43
  4. Step 4: Simplify right side
    73,720.73x = 4,217,225,627.54
  5. Step 5: Solve for x
    x = 4,217,225,627.54/73,720.73
  6. Step 6: Final answer
    x = 57,205.42

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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.