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Finding the Fourth Proportional to 362.46, 543.48 and 118.96

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Solution

The fourth proportional to 362.46, 543.48 and 118.96 is: 178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.46 : 543.48 = 118.96 : x
  2. Step 2: Convert to fraction form
    362.46/543.48 = 118.96/x
  3. Step 3: Cross multiply
    362.46x = 543.48 × 118.96
  4. Step 4: Simplify right side
    362.46x = 64,653.06
  5. Step 5: Solve for x
    x = 64,653.06/362.46
  6. Step 6: Final answer
    x = 178.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.