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Finding the Fourth Proportional to 188,791.27, 283,186.55 and 55,764.94

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Solution

The fourth proportional to 188,791.27, 283,186.55 and 55,764.94 is: 83,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,791.27 : 283,186.55 = 55,764.94 : x
  2. Step 2: Convert to fraction form
    188,791.27/283,186.55 = 55,764.94/x
  3. Step 3: Cross multiply
    188,791.27x = 283,186.55 × 55,764.94
  4. Step 4: Simplify right side
    188,791.27x = 15,791,880,969.56
  5. Step 5: Solve for x
    x = 15,791,880,969.56/188,791.27
  6. Step 6: Final answer
    x = 83,647.31

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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.