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Finding the Fourth Proportional to 113.37, 170.06 and 44.89

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Solution

The fourth proportional to 113.37, 170.06 and 44.89 is: 67.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.37 : 170.06 = 44.89 : x
  2. Step 2: Convert to fraction form
    113.37/170.06 = 44.89/x
  3. Step 3: Cross multiply
    113.37x = 170.06 × 44.89
  4. Step 4: Simplify right side
    113.37x = 7,633.99
  5. Step 5: Solve for x
    x = 7,633.99/113.37
  6. Step 6: Final answer
    x = 67.34

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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.