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Finding the Fourth Proportional to 109,995.94, 151,796.67 and 62,249.28

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Solution

The fourth proportional to 109,995.94, 151,796.67 and 62,249.28 is: 85,905.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,995.94 : 151,796.67 = 62,249.28 : x
  2. Step 2: Convert to fraction form
    109,995.94/151,796.67 = 62,249.28/x
  3. Step 3: Cross multiply
    109,995.94x = 151,796.67 × 62,249.28
  4. Step 4: Simplify right side
    109,995.94x = 9,449,233,413.90
  5. Step 5: Solve for x
    x = 9,449,233,413.90/109,995.94
  6. Step 6: Final answer
    x = 85,905.29

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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.