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Finding the Fourth Proportional to 110.99, 166.47 and 29.84

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Solution

The fourth proportional to 110.99, 166.47 and 29.84 is: 44.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.99 : 166.47 = 29.84 : x
  2. Step 2: Convert to fraction form
    110.99/166.47 = 29.84/x
  3. Step 3: Cross multiply
    110.99x = 166.47 × 29.84
  4. Step 4: Simplify right side
    110.99x = 4,966.63
  5. Step 5: Solve for x
    x = 4,966.63/110.99
  6. Step 6: Final answer
    x = 44.75

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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.