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Finding the Fourth Proportional to 204,540.03, 306,620.60 and 104,479.53

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Solution

The fourth proportional to 204,540.03, 306,620.60 and 104,479.53 is: 156,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,540.03 : 306,620.60 = 104,479.53 : x
  2. Step 2: Convert to fraction form
    204,540.03/306,620.60 = 104,479.53/x
  3. Step 3: Cross multiply
    204,540.03x = 306,620.60 × 104,479.53
  4. Step 4: Simplify right side
    204,540.03x = 32,035,576,437.52
  5. Step 5: Solve for x
    x = 32,035,576,437.52/204,540.03
  6. Step 6: Final answer
    x = 156,622.53

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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.