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Finding the Fourth Proportional to 173.44, 259.70 and 104.64

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Solution

The fourth proportional to 173.44, 259.70 and 104.64 is: 156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.44 : 259.70 = 104.64 : x
  2. Step 2: Convert to fraction form
    173.44/259.70 = 104.64/x
  3. Step 3: Cross multiply
    173.44x = 259.70 × 104.64
  4. Step 4: Simplify right side
    173.44x = 27,175.01
  5. Step 5: Solve for x
    x = 27,175.01/173.44
  6. Step 6: Final answer
    x = 156.68

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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.