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Finding the Fourth Proportional to 263.94, 364.24 and 144.32

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Solution

The fourth proportional to 263.94, 364.24 and 144.32 is: 199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.94 : 364.24 = 144.32 : x
  2. Step 2: Convert to fraction form
    263.94/364.24 = 144.32/x
  3. Step 3: Cross multiply
    263.94x = 364.24 × 144.32
  4. Step 4: Simplify right side
    263.94x = 52,565.66
  5. Step 5: Solve for x
    x = 52,565.66/263.94
  6. Step 6: Final answer
    x = 199.16

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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.