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Finding the Fourth Proportional to 101,399.92, 151,992.62 and 38,192.69

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Solution

The fourth proportional to 101,399.92, 151,992.62 and 38,192.69 is: 57,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,399.92 : 151,992.62 = 38,192.69 : x
  2. Step 2: Convert to fraction form
    101,399.92/151,992.62 = 38,192.69/x
  3. Step 3: Cross multiply
    101,399.92x = 151,992.62 × 38,192.69
  4. Step 4: Simplify right side
    101,399.92x = 5,805,007,850.01
  5. Step 5: Solve for x
    x = 5,805,007,850.01/101,399.92
  6. Step 6: Final answer
    x = 57,248.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.