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Finding the Fourth Proportional to 254.07, 350.73 and 192.11

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Solution

The fourth proportional to 254.07, 350.73 and 192.11 is: 265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.07 : 350.73 = 192.11 : x
  2. Step 2: Convert to fraction form
    254.07/350.73 = 192.11/x
  3. Step 3: Cross multiply
    254.07x = 350.73 × 192.11
  4. Step 4: Simplify right side
    254.07x = 67,376.99
  5. Step 5: Solve for x
    x = 67,376.99/254.07
  6. Step 6: Final answer
    x = 265.19

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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.