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Finding the Fourth Proportional to 176.35, 264.63 and 115.48

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Solution

The fourth proportional to 176.35, 264.63 and 115.48 is: 173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.35 : 264.63 = 115.48 : x
  2. Step 2: Convert to fraction form
    176.35/264.63 = 115.48/x
  3. Step 3: Cross multiply
    176.35x = 264.63 × 115.48
  4. Step 4: Simplify right side
    176.35x = 30,559.47
  5. Step 5: Solve for x
    x = 30,559.47/176.35
  6. Step 6: Final answer
    x = 173.29

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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.