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Finding the Fourth Proportional to 105,183.72, 157,833 and 60,896.97

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Solution

The fourth proportional to 105,183.72, 157,833 and 60,896.97 is: 91,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,183.72 : 157,833 = 60,896.97 : x
  2. Step 2: Convert to fraction form
    105,183.72/157,833 = 60,896.97/x
  3. Step 3: Cross multiply
    105,183.72x = 157,833 × 60,896.97
  4. Step 4: Simplify right side
    105,183.72x = 9,611,551,466.01
  5. Step 5: Solve for x
    x = 9,611,551,466.01/105,183.72
  6. Step 6: Final answer
    x = 91,378.70

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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.