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Finding the Fourth Proportional to 362.36, 543.59 and 167.55

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Solution

The fourth proportional to 362.36, 543.59 and 167.55 is: 251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362.36 : 543.59 = 167.55 : x
  2. Step 2: Convert to fraction form
    362.36/543.59 = 167.55/x
  3. Step 3: Cross multiply
    362.36x = 543.59 × 167.55
  4. Step 4: Simplify right side
    362.36x = 91,077.67
  5. Step 5: Solve for x
    x = 91,077.67/362.36
  6. Step 6: Final answer
    x = 251.35

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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.