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Finding the Fourth Proportional to 254.26, 350.90 and 176.50

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Solution

The fourth proportional to 254.26, 350.90 and 176.50 is: 243.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.26 : 350.90 = 176.50 : x
  2. Step 2: Convert to fraction form
    254.26/350.90 = 176.50/x
  3. Step 3: Cross multiply
    254.26x = 350.90 × 176.50
  4. Step 4: Simplify right side
    254.26x = 61,932.97
  5. Step 5: Solve for x
    x = 61,932.97/254.26
  6. Step 6: Final answer
    x = 243.58

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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.