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Finding the Fourth Proportional to 171,308.45, 256,969.87 and 52,982.03

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Solution

The fourth proportional to 171,308.45, 256,969.87 and 52,982.03 is: 79,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,308.45 : 256,969.87 = 52,982.03 : x
  2. Step 2: Convert to fraction form
    171,308.45/256,969.87 = 52,982.03/x
  3. Step 3: Cross multiply
    171,308.45x = 256,969.87 × 52,982.03
  4. Step 4: Simplify right side
    171,308.45x = 13,614,785,361.44
  5. Step 5: Solve for x
    x = 13,614,785,361.44/171,308.45
  6. Step 6: Final answer
    x = 79,475.27

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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.