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Finding the Fourth Proportional to 176.54, 264.83 and 115.56

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Solution

The fourth proportional to 176.54, 264.83 and 115.56 is: 173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.54 : 264.83 = 115.56 : x
  2. Step 2: Convert to fraction form
    176.54/264.83 = 115.56/x
  3. Step 3: Cross multiply
    176.54x = 264.83 × 115.56
  4. Step 4: Simplify right side
    176.54x = 30,603.18
  5. Step 5: Solve for x
    x = 30,603.18/176.54
  6. Step 6: Final answer
    x = 173.35

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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.