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Finding the Fourth Proportional to 175.68, 240.96 and 162.24

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Solution

The fourth proportional to 175.68, 240.96 and 162.24 is: 222.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.68 : 240.96 = 162.24 : x
  2. Step 2: Convert to fraction form
    175.68/240.96 = 162.24/x
  3. Step 3: Cross multiply
    175.68x = 240.96 × 162.24
  4. Step 4: Simplify right side
    175.68x = 39,093.35
  5. Step 5: Solve for x
    x = 39,093.35/175.68
  6. Step 6: Final answer
    x = 222.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.