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Finding the Fourth Proportional to 262.69, 362.51 and 144.66

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Solution

The fourth proportional to 262.69, 362.51 and 144.66 is: 199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.69 : 362.51 = 144.66 : x
  2. Step 2: Convert to fraction form
    262.69/362.51 = 144.66/x
  3. Step 3: Cross multiply
    262.69x = 362.51 × 144.66
  4. Step 4: Simplify right side
    262.69x = 52,441.06
  5. Step 5: Solve for x
    x = 52,441.06/262.69
  6. Step 6: Final answer
    x = 199.63

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