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Finding the Fourth Proportional to 73,680.94, 101,673.63 and 43,467.54

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Solution

The fourth proportional to 73,680.94, 101,673.63 and 43,467.54 is: 59,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,680.94 : 101,673.63 = 43,467.54 : x
  2. Step 2: Convert to fraction form
    73,680.94/101,673.63 = 43,467.54/x
  3. Step 3: Cross multiply
    73,680.94x = 101,673.63 × 43,467.54
  4. Step 4: Simplify right side
    73,680.94x = 4,419,502,197.69
  5. Step 5: Solve for x
    x = 4,419,502,197.69/73,680.94
  6. Step 6: Final answer
    x = 59,981.62

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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.