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Finding the Fourth Proportional to 73,844.63, 110,190.69 and 65,892.45

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Solution

The fourth proportional to 73,844.63, 110,190.69 and 65,892.45 is: 98,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,844.63 : 110,190.69 = 65,892.45 : x
  2. Step 2: Convert to fraction form
    73,844.63/110,190.69 = 65,892.45/x
  3. Step 3: Cross multiply
    73,844.63x = 110,190.69 × 65,892.45
  4. Step 4: Simplify right side
    73,844.63x = 7,260,734,531.29
  5. Step 5: Solve for x
    x = 7,260,734,531.29/73,844.63
  6. Step 6: Final answer
    x = 98,324.48

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.