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Finding the Fourth Proportional to 164.62, 246.96 and 56.44

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Solution

The fourth proportional to 164.62, 246.96 and 56.44 is: 84.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.62 : 246.96 = 56.44 : x
  2. Step 2: Convert to fraction form
    164.62/246.96 = 56.44/x
  3. Step 3: Cross multiply
    164.62x = 246.96 × 56.44
  4. Step 4: Simplify right side
    164.62x = 13,938.42
  5. Step 5: Solve for x
    x = 13,938.42/164.62
  6. Step 6: Final answer
    x = 84.67

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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.