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Finding the Fourth Proportional to 104,878.65, 157,212.63 and 33,749.01

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Solution

The fourth proportional to 104,878.65, 157,212.63 and 33,749.01 is: 50,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,878.65 : 157,212.63 = 33,749.01 : x
  2. Step 2: Convert to fraction form
    104,878.65/157,212.63 = 33,749.01/x
  3. Step 3: Cross multiply
    104,878.65x = 157,212.63 × 33,749.01
  4. Step 4: Simplify right side
    104,878.65x = 5,305,770,685.28
  5. Step 5: Solve for x
    x = 5,305,770,685.28/104,878.65
  6. Step 6: Final answer
    x = 50,589.62

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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.