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Finding the Fourth Proportional to 178.60, 244.49 and 173.08

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Solution

The fourth proportional to 178.60, 244.49 and 173.08 is: 236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.60 : 244.49 = 173.08 : x
  2. Step 2: Convert to fraction form
    178.60/244.49 = 173.08/x
  3. Step 3: Cross multiply
    178.60x = 244.49 × 173.08
  4. Step 4: Simplify right side
    178.60x = 42,316.33
  5. Step 5: Solve for x
    x = 42,316.33/178.60
  6. Step 6: Final answer
    x = 236.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.