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Finding the Fourth Proportional to 175.98, 241.11 and 172.74

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Solution

The fourth proportional to 175.98, 241.11 and 172.74 is: 236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.98 : 241.11 = 172.74 : x
  2. Step 2: Convert to fraction form
    175.98/241.11 = 172.74/x
  3. Step 3: Cross multiply
    175.98x = 241.11 × 172.74
  4. Step 4: Simplify right side
    175.98x = 41,649.34
  5. Step 5: Solve for x
    x = 41,649.34/175.98
  6. Step 6: Final answer
    x = 236.67

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.