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Finding the Fourth Proportional to 281,662.44, 422,493.24 and 94,805.16

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Solution

The fourth proportional to 281,662.44, 422,493.24 and 94,805.16 is: 142,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,662.44 : 422,493.24 = 94,805.16 : x
  2. Step 2: Convert to fraction form
    281,662.44/422,493.24 = 94,805.16/x
  3. Step 3: Cross multiply
    281,662.44x = 422,493.24 × 94,805.16
  4. Step 4: Simplify right side
    281,662.44x = 40,054,539,217.12
  5. Step 5: Solve for x
    x = 40,054,539,217.12/281,662.44
  6. Step 6: Final answer
    x = 142,207.60

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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.