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Finding the Fourth Proportional to 351.67, 526.73 and 168.50

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Solution

The fourth proportional to 351.67, 526.73 and 168.50 is: 252.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.67 : 526.73 = 168.50 : x
  2. Step 2: Convert to fraction form
    351.67/526.73 = 168.50/x
  3. Step 3: Cross multiply
    351.67x = 526.73 × 168.50
  4. Step 4: Simplify right side
    351.67x = 88,754.01
  5. Step 5: Solve for x
    x = 88,754.01/351.67
  6. Step 6: Final answer
    x = 252.38

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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.