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Finding the Fourth Proportional to 352.13, 528.18 and 95.63

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Solution

The fourth proportional to 352.13, 528.18 and 95.63 is: 143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.13 : 528.18 = 95.63 : x
  2. Step 2: Convert to fraction form
    352.13/528.18 = 95.63/x
  3. Step 3: Cross multiply
    352.13x = 528.18 × 95.63
  4. Step 4: Simplify right side
    352.13x = 50,509.85
  5. Step 5: Solve for x
    x = 50,509.85/352.13
  6. Step 6: Final answer
    x = 143.44

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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.