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Finding the Fourth Proportional to 73,093.68, 100,866.42 and 45,884.41

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Solution

The fourth proportional to 73,093.68, 100,866.42 and 45,884.41 is: 63,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,093.68 : 100,866.42 = 45,884.41 : x
  2. Step 2: Convert to fraction form
    73,093.68/100,866.42 = 45,884.41/x
  3. Step 3: Cross multiply
    73,093.68x = 100,866.42 × 45,884.41
  4. Step 4: Simplify right side
    73,093.68x = 4,628,195,918.35
  5. Step 5: Solve for x
    x = 4,628,195,918.35/73,093.68
  6. Step 6: Final answer
    x = 63,318.69

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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.