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Finding the Fourth Proportional to 187.44, 258.36 and 175.44

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Solution

The fourth proportional to 187.44, 258.36 and 175.44 is: 241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.44 : 258.36 = 175.44 : x
  2. Step 2: Convert to fraction form
    187.44/258.36 = 175.44/x
  3. Step 3: Cross multiply
    187.44x = 258.36 × 175.44
  4. Step 4: Simplify right side
    187.44x = 45,326.68
  5. Step 5: Solve for x
    x = 45,326.68/187.44
  6. Step 6: Final answer
    x = 241.82

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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.