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Finding the Fourth Proportional to 176.62, 264.93 and 107.22

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Solution

The fourth proportional to 176.62, 264.93 and 107.22 is: 160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.62 : 264.93 = 107.22 : x
  2. Step 2: Convert to fraction form
    176.62/264.93 = 107.22/x
  3. Step 3: Cross multiply
    176.62x = 264.93 × 107.22
  4. Step 4: Simplify right side
    176.62x = 28,405.79
  5. Step 5: Solve for x
    x = 28,405.79/176.62
  6. Step 6: Final answer
    x = 160.83

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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.