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Finding the Fourth Proportional to 201,362.42, 302,042.27 and 68,336.33

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Solution

The fourth proportional to 201,362.42, 302,042.27 and 68,336.33 is: 102,504.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,362.42 : 302,042.27 = 68,336.33 : x
  2. Step 2: Convert to fraction form
    201,362.42/302,042.27 = 68,336.33/x
  3. Step 3: Cross multiply
    201,362.42x = 302,042.27 × 68,336.33
  4. Step 4: Simplify right side
    201,362.42x = 20,640,458,384.78
  5. Step 5: Solve for x
    x = 20,640,458,384.78/201,362.42
  6. Step 6: Final answer
    x = 102,504.03

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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.