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Finding the Fourth Proportional to 263.82, 364.08 and 147.36

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Solution

The fourth proportional to 263.82, 364.08 and 147.36 is: 203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.82 : 364.08 = 147.36 : x
  2. Step 2: Convert to fraction form
    263.82/364.08 = 147.36/x
  3. Step 3: Cross multiply
    263.82x = 364.08 × 147.36
  4. Step 4: Simplify right side
    263.82x = 53,650.83
  5. Step 5: Solve for x
    x = 53,650.83/263.82
  6. Step 6: Final answer
    x = 203.36

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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.