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Finding the Fourth Proportional to 176.31, 264.53 and 111.35

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Solution

The fourth proportional to 176.31, 264.53 and 111.35 is: 167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.31 : 264.53 = 111.35 : x
  2. Step 2: Convert to fraction form
    176.31/264.53 = 111.35/x
  3. Step 3: Cross multiply
    176.31x = 264.53 × 111.35
  4. Step 4: Simplify right side
    176.31x = 29,453.54
  5. Step 5: Solve for x
    x = 29,453.54/176.31
  6. Step 6: Final answer
    x = 167.06

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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.