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Finding the Fourth Proportional to 281,563.41, 422,358.09 and 104,037.33

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Solution

The fourth proportional to 281,563.41, 422,358.09 and 104,037.33 is: 156,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,563.41 : 422,358.09 = 104,037.33 : x
  2. Step 2: Convert to fraction form
    281,563.41/422,358.09 = 104,037.33/x
  3. Step 3: Cross multiply
    281,563.41x = 422,358.09 × 104,037.33
  4. Step 4: Simplify right side
    281,563.41x = 43,941,007,987.50
  5. Step 5: Solve for x
    x = 43,941,007,987.50/281,563.41
  6. Step 6: Final answer
    x = 156,060.79

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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.