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Finding the Fourth Proportional to 176.99, 244.22 and 103.29

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Solution

The fourth proportional to 176.99, 244.22 and 103.29 is: 142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.99 : 244.22 = 103.29 : x
  2. Step 2: Convert to fraction form
    176.99/244.22 = 103.29/x
  3. Step 3: Cross multiply
    176.99x = 244.22 × 103.29
  4. Step 4: Simplify right side
    176.99x = 25,224.97
  5. Step 5: Solve for x
    x = 25,224.97/176.99
  6. Step 6: Final answer
    x = 142.53

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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.