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Finding the Fourth Proportional to 199,536.39, 275,357.86 and 108,893.90

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Solution

The fourth proportional to 199,536.39, 275,357.86 and 108,893.90 is: 150,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,536.39 : 275,357.86 = 108,893.90 : x
  2. Step 2: Convert to fraction form
    199,536.39/275,357.86 = 108,893.90/x
  3. Step 3: Cross multiply
    199,536.39x = 275,357.86 × 108,893.90
  4. Step 4: Simplify right side
    199,536.39x = 29,984,791,271.05
  5. Step 5: Solve for x
    x = 29,984,791,271.05/199,536.39
  6. Step 6: Final answer
    x = 150,272.30

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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.