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Finding the Fourth Proportional to 73,732.68, 101,751.15 and 40,198.68

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Solution

The fourth proportional to 73,732.68, 101,751.15 and 40,198.68 is: 55,474.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,732.68 : 101,751.15 = 40,198.68 : x
  2. Step 2: Convert to fraction form
    73,732.68/101,751.15 = 40,198.68/x
  3. Step 3: Cross multiply
    73,732.68x = 101,751.15 × 40,198.68
  4. Step 4: Simplify right side
    73,732.68x = 4,090,261,918.48
  5. Step 5: Solve for x
    x = 4,090,261,918.48/73,732.68
  6. Step 6: Final answer
    x = 55,474.21

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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.