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Finding the Fourth Proportional to 176.44, 264.56 and 68.26

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Solution

The fourth proportional to 176.44, 264.56 and 68.26 is: 102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.44 : 264.56 = 68.26 : x
  2. Step 2: Convert to fraction form
    176.44/264.56 = 68.26/x
  3. Step 3: Cross multiply
    176.44x = 264.56 × 68.26
  4. Step 4: Simplify right side
    176.44x = 18,058.87
  5. Step 5: Solve for x
    x = 18,058.87/176.44
  6. Step 6: Final answer
    x = 102.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.