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Finding the Fourth Proportional to 187,735.44, 281,604.96 and 73,894.80

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Solution

The fourth proportional to 187,735.44, 281,604.96 and 73,894.80 is: 110,842.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,735.44 : 281,604.96 = 73,894.80 : x
  2. Step 2: Convert to fraction form
    187,735.44/281,604.96 = 73,894.80/x
  3. Step 3: Cross multiply
    187,735.44x = 281,604.96 × 73,894.80
  4. Step 4: Simplify right side
    187,735.44x = 20,809,142,198.21
  5. Step 5: Solve for x
    x = 20,809,142,198.21/187,735.44
  6. Step 6: Final answer
    x = 110,842.91

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1.5x scale

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.