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Finding the Fourth Proportional to 176.97, 244.25 and 135.06

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Solution

The fourth proportional to 176.97, 244.25 and 135.06 is: 186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.97 : 244.25 = 135.06 : x
  2. Step 2: Convert to fraction form
    176.97/244.25 = 135.06/x
  3. Step 3: Cross multiply
    176.97x = 244.25 × 135.06
  4. Step 4: Simplify right side
    176.97x = 32,989.18
  5. Step 5: Solve for x
    x = 32,989.18/176.97
  6. Step 6: Final answer
    x = 186.42

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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.