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Finding the Fourth Proportional to 362.54, 543.84 and 119

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Solution

The fourth proportional to 362.54, 543.84 and 119 is: 178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.54 : 543.84 = 119 : x
  2. Step 2: Convert to fraction form
    362.54/543.84 = 119/x
  3. Step 3: Cross multiply
    362.54x = 543.84 × 119
  4. Step 4: Simplify right side
    362.54x = 64,716.96
  5. Step 5: Solve for x
    x = 64,716.96/362.54
  6. Step 6: Final answer
    x = 178.51

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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.