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Finding the Fourth Proportional to 176.63, 243.66 and 114.44

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Solution

The fourth proportional to 176.63, 243.66 and 114.44 is: 157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.63 : 243.66 = 114.44 : x
  2. Step 2: Convert to fraction form
    176.63/243.66 = 114.44/x
  3. Step 3: Cross multiply
    176.63x = 243.66 × 114.44
  4. Step 4: Simplify right side
    176.63x = 27,883.23
  5. Step 5: Solve for x
    x = 27,883.23/176.63
  6. Step 6: Final answer
    x = 157.87

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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.