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Finding the Fourth Proportional to 176.67, 244.26 and 135.16

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Solution

The fourth proportional to 176.67, 244.26 and 135.16 is: 186.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.67 : 244.26 = 135.16 : x
  2. Step 2: Convert to fraction form
    176.67/244.26 = 135.16/x
  3. Step 3: Cross multiply
    176.67x = 244.26 × 135.16
  4. Step 4: Simplify right side
    176.67x = 33,013.57
  5. Step 5: Solve for x
    x = 33,013.57/176.67
  6. Step 6: Final answer
    x = 186.87

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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.