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Finding the Fourth Proportional to 263.18, 363.15 and 146.73

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Solution

The fourth proportional to 263.18, 363.15 and 146.73 is: 202.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.18 : 363.15 = 146.73 : x
  2. Step 2: Convert to fraction form
    263.18/363.15 = 146.73/x
  3. Step 3: Cross multiply
    263.18x = 363.15 × 146.73
  4. Step 4: Simplify right side
    263.18x = 53,285.00
  5. Step 5: Solve for x
    x = 53,285.00/263.18
  6. Step 6: Final answer
    x = 202.47

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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.