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Finding the Fourth Proportional to 164.02, 246 and 55.79

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Solution

The fourth proportional to 164.02, 246 and 55.79 is: 83.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.02 : 246 = 55.79 : x
  2. Step 2: Convert to fraction form
    164.02/246 = 55.79/x
  3. Step 3: Cross multiply
    164.02x = 246 × 55.79
  4. Step 4: Simplify right side
    164.02x = 13,724.34
  5. Step 5: Solve for x
    x = 13,724.34/164.02
  6. Step 6: Final answer
    x = 83.67

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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.