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Finding the Fourth Proportional to 73,273.44, 101,114.64 and 39,738.72

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Solution

The fourth proportional to 73,273.44, 101,114.64 and 39,738.72 is: 54,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,273.44 : 101,114.64 = 39,738.72 : x
  2. Step 2: Convert to fraction form
    73,273.44/101,114.64 = 39,738.72/x
  3. Step 3: Cross multiply
    73,273.44x = 101,114.64 × 39,738.72
  4. Step 4: Simplify right side
    73,273.44x = 4,018,166,366.86
  5. Step 5: Solve for x
    x = 4,018,166,366.86/73,273.44
  6. Step 6: Final answer
    x = 54,837.97

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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.