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Finding the Fourth Proportional to 281,884.41, 422,918.78 and 104,404.41

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Solution

The fourth proportional to 281,884.41, 422,918.78 and 104,404.41 is: 156,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,884.41 : 422,918.78 = 104,404.41 : x
  2. Step 2: Convert to fraction form
    281,884.41/422,918.78 = 104,404.41/x
  3. Step 3: Cross multiply
    281,884.41x = 422,918.78 × 104,404.41
  4. Step 4: Simplify right side
    281,884.41x = 44,154,585,181.80
  5. Step 5: Solve for x
    x = 44,154,585,181.80/281,884.41
  6. Step 6: Final answer
    x = 156,640.75

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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.