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Finding the Fourth Proportional to 199,626.08, 275,484.56 and 108,982.16

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Solution

The fourth proportional to 199,626.08, 275,484.56 and 108,982.16 is: 150,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,626.08 : 275,484.56 = 108,982.16 : x
  2. Step 2: Convert to fraction form
    199,626.08/275,484.56 = 108,982.16/x
  3. Step 3: Cross multiply
    199,626.08x = 275,484.56 × 108,982.16
  4. Step 4: Simplify right side
    199,626.08x = 30,022,902,395.45
  5. Step 5: Solve for x
    x = 30,022,902,395.45/199,626.08
  6. Step 6: Final answer
    x = 150,395.69

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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.