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Finding the Fourth Proportional to 214,766.44, 322,022.04 and 81,656.44

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Solution

The fourth proportional to 214,766.44, 322,022.04 and 81,656.44 is: 122,436.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,766.44 : 322,022.04 = 81,656.44 : x
  2. Step 2: Convert to fraction form
    214,766.44/322,022.04 = 81,656.44/x
  3. Step 3: Cross multiply
    214,766.44x = 322,022.04 × 81,656.44
  4. Step 4: Simplify right side
    214,766.44x = 26,295,173,387.94
  5. Step 5: Solve for x
    x = 26,295,173,387.94/214,766.44
  6. Step 6: Final answer
    x = 122,436.14

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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.