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Finding the Fourth Proportional to 362.52, 543.85 and 119.12

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Solution

The fourth proportional to 362.52, 543.85 and 119.12 is: 178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.52 : 543.85 = 119.12 : x
  2. Step 2: Convert to fraction form
    362.52/543.85 = 119.12/x
  3. Step 3: Cross multiply
    362.52x = 543.85 × 119.12
  4. Step 4: Simplify right side
    362.52x = 64,782.35
  5. Step 5: Solve for x
    x = 64,782.35/362.52
  6. Step 6: Final answer
    x = 178.70

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