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Finding the Fourth Proportional to 260.95, 360.35 and 162.73

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Solution

The fourth proportional to 260.95, 360.35 and 162.73 is: 224.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260.95 : 360.35 = 162.73 : x
  2. Step 2: Convert to fraction form
    260.95/360.35 = 162.73/x
  3. Step 3: Cross multiply
    260.95x = 360.35 × 162.73
  4. Step 4: Simplify right side
    260.95x = 58,639.76
  5. Step 5: Solve for x
    x = 58,639.76/260.95
  6. Step 6: Final answer
    x = 224.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.