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Finding the Fourth Proportional to 352.86, 529.60 and 167.99

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Solution

The fourth proportional to 352.86, 529.60 and 167.99 is: 252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.86 : 529.60 = 167.99 : x
  2. Step 2: Convert to fraction form
    352.86/529.60 = 167.99/x
  3. Step 3: Cross multiply
    352.86x = 529.60 × 167.99
  4. Step 4: Simplify right side
    352.86x = 88,968.20
  5. Step 5: Solve for x
    x = 88,968.20/352.86
  6. Step 6: Final answer
    x = 252.13

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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.