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Finding the Fourth Proportional to 352.68, 528.96 and 96.16

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Solution

The fourth proportional to 352.68, 528.96 and 96.16 is: 144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    352.68 : 528.96 = 96.16 : x
  2. Step 2: Convert to fraction form
    352.68/528.96 = 96.16/x
  3. Step 3: Cross multiply
    352.68x = 528.96 × 96.16
  4. Step 4: Simplify right side
    352.68x = 50,864.79
  5. Step 5: Solve for x
    x = 50,864.79/352.68
  6. Step 6: Final answer
    x = 144.22

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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.