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Finding the Fourth Proportional to 242.33, 334.44 and 179.34

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Solution

The fourth proportional to 242.33, 334.44 and 179.34 is: 247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.33 : 334.44 = 179.34 : x
  2. Step 2: Convert to fraction form
    242.33/334.44 = 179.34/x
  3. Step 3: Cross multiply
    242.33x = 334.44 × 179.34
  4. Step 4: Simplify right side
    242.33x = 59,978.47
  5. Step 5: Solve for x
    x = 59,978.47/242.33
  6. Step 6: Final answer
    x = 247.51

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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.