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Finding the Fourth Proportional to 351.56, 527.28 and 95

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Solution

The fourth proportional to 351.56, 527.28 and 95 is: 142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.56 : 527.28 = 95 : x
  2. Step 2: Convert to fraction form
    351.56/527.28 = 95/x
  3. Step 3: Cross multiply
    351.56x = 527.28 × 95
  4. Step 4: Simplify right side
    351.56x = 50,091.60
  5. Step 5: Solve for x
    x = 50,091.60/351.56
  6. Step 6: Final answer
    x = 142.48

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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.