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Finding the Fourth Proportional to 178.68, 244.66 and 178.08

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Solution

The fourth proportional to 178.68, 244.66 and 178.08 is: 243.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.68 : 244.66 = 178.08 : x
  2. Step 2: Convert to fraction form
    178.68/244.66 = 178.08/x
  3. Step 3: Cross multiply
    178.68x = 244.66 × 178.08
  4. Step 4: Simplify right side
    178.68x = 43,569.05
  5. Step 5: Solve for x
    x = 43,569.05/178.68
  6. Step 6: Final answer
    x = 243.84

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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.