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Finding the Fourth Proportional to 245.69, 368.37 and 164.37

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Solution

The fourth proportional to 245.69, 368.37 and 164.37 is: 246.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.69 : 368.37 = 164.37 : x
  2. Step 2: Convert to fraction form
    245.69/368.37 = 164.37/x
  3. Step 3: Cross multiply
    245.69x = 368.37 × 164.37
  4. Step 4: Simplify right side
    245.69x = 60,548.98
  5. Step 5: Solve for x
    x = 60,548.98/245.69
  6. Step 6: Final answer
    x = 246.45

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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.