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Finding the Fourth Proportional to 245.97, 368.47 and 164.83

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Solution

The fourth proportional to 245.97, 368.47 and 164.83 is: 246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.97 : 368.47 = 164.83 : x
  2. Step 2: Convert to fraction form
    245.97/368.47 = 164.83/x
  3. Step 3: Cross multiply
    245.97x = 368.47 × 164.83
  4. Step 4: Simplify right side
    245.97x = 60,734.91
  5. Step 5: Solve for x
    x = 60,734.91/245.97
  6. Step 6: Final answer
    x = 246.92

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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.