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Finding the Fourth Proportional to 176.42, 264.36 and 168.32

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Solution

The fourth proportional to 176.42, 264.36 and 168.32 is: 252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.42 : 264.36 = 168.32 : x
  2. Step 2: Convert to fraction form
    176.42/264.36 = 168.32/x
  3. Step 3: Cross multiply
    176.42x = 264.36 × 168.32
  4. Step 4: Simplify right side
    176.42x = 44,497.08
  5. Step 5: Solve for x
    x = 44,497.08/176.42
  6. Step 6: Final answer
    x = 252.22

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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.