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Finding the Fourth Proportional to 263.82, 364.06 and 158.93

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Solution

The fourth proportional to 263.82, 364.06 and 158.93 is: 219.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263.82 : 364.06 = 158.93 : x
  2. Step 2: Convert to fraction form
    263.82/364.06 = 158.93/x
  3. Step 3: Cross multiply
    263.82x = 364.06 × 158.93
  4. Step 4: Simplify right side
    263.82x = 57,860.06
  5. Step 5: Solve for x
    x = 57,860.06/263.82
  6. Step 6: Final answer
    x = 219.32

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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.