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Finding the Fourth Proportional to 176.44, 264.64 and 68.24

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Solution

The fourth proportional to 176.44, 264.64 and 68.24 is: 102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.44 : 264.64 = 68.24 : x
  2. Step 2: Convert to fraction form
    176.44/264.64 = 68.24/x
  3. Step 3: Cross multiply
    176.44x = 264.64 × 68.24
  4. Step 4: Simplify right side
    176.44x = 18,059.03
  5. Step 5: Solve for x
    x = 18,059.03/176.44
  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.