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Finding the Fourth Proportional to 201,466.20, 301,940.10 and 122,496.60

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Solution

The fourth proportional to 201,466.20, 301,940.10 and 122,496.60 is: 183,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,466.20 : 301,940.10 = 122,496.60 : x
  2. Step 2: Convert to fraction form
    201,466.20/301,940.10 = 122,496.60/x
  3. Step 3: Cross multiply
    201,466.20x = 301,940.10 × 122,496.60
  4. Step 4: Simplify right side
    201,466.20x = 36,986,635,653.66
  5. Step 5: Solve for x
    x = 36,986,635,653.66/201,466.20
  6. Step 6: Final answer
    x = 183,587.30

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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.