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Finding the Fourth Proportional to 101,399.68, 151,992.26 and 38,192.45

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Solution

The fourth proportional to 101,399.68, 151,992.26 and 38,192.45 is: 57,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,399.68 : 151,992.26 = 38,192.45 : x
  2. Step 2: Convert to fraction form
    101,399.68/151,992.26 = 38,192.45/x
  3. Step 3: Cross multiply
    101,399.68x = 151,992.26 × 38,192.45
  4. Step 4: Simplify right side
    101,399.68x = 5,804,957,253.48
  5. Step 5: Solve for x
    x = 5,804,957,253.48/101,399.68
  6. Step 6: Final answer
    x = 57,248.28

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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.