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Finding the Fourth Proportional to 110.22, 165.29 and 48.46

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Solution

The fourth proportional to 110.22, 165.29 and 48.46 is: 72.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.22 : 165.29 = 48.46 : x
  2. Step 2: Convert to fraction form
    110.22/165.29 = 48.46/x
  3. Step 3: Cross multiply
    110.22x = 165.29 × 48.46
  4. Step 4: Simplify right side
    110.22x = 8,009.95
  5. Step 5: Solve for x
    x = 8,009.95/110.22
  6. Step 6: Final answer
    x = 72.67

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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.