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Finding the Fourth Proportional to 174.22, 240.01 and 127.48

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Solution

The fourth proportional to 174.22, 240.01 and 127.48 is: 175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.22 : 240.01 = 127.48 : x
  2. Step 2: Convert to fraction form
    174.22/240.01 = 127.48/x
  3. Step 3: Cross multiply
    174.22x = 240.01 × 127.48
  4. Step 4: Simplify right side
    174.22x = 30,596.47
  5. Step 5: Solve for x
    x = 30,596.47/174.22
  6. Step 6: Final answer
    x = 175.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.