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Finding the Fourth Proportional to 187,371.44, 281,057.64 and 76,563.44

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Solution

The fourth proportional to 187,371.44, 281,057.64 and 76,563.44 is: 114,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,371.44 : 281,057.64 = 76,563.44 : x
  2. Step 2: Convert to fraction form
    187,371.44/281,057.64 = 76,563.44/x
  3. Step 3: Cross multiply
    187,371.44x = 281,057.64 × 76,563.44
  4. Step 4: Simplify right side
    187,371.44x = 21,518,739,756.68
  5. Step 5: Solve for x
    x = 21,518,739,756.68/187,371.44
  6. Step 6: Final answer
    x = 114,845.36

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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.