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Finding the Fourth Proportional to 175.48, 262.85 and 113.67

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Solution

The fourth proportional to 175.48, 262.85 and 113.67 is: 170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.48 : 262.85 = 113.67 : x
  2. Step 2: Convert to fraction form
    175.48/262.85 = 113.67/x
  3. Step 3: Cross multiply
    175.48x = 262.85 × 113.67
  4. Step 4: Simplify right side
    175.48x = 29,877.59
  5. Step 5: Solve for x
    x = 29,877.59/175.48
  6. Step 6: Final answer
    x = 170.26

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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.