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Finding the Fourth Proportional to 200.22, 275.43 and 175.22

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Solution

The fourth proportional to 200.22, 275.43 and 175.22 is: 241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200.22 : 275.43 = 175.22 : x
  2. Step 2: Convert to fraction form
    200.22/275.43 = 175.22/x
  3. Step 3: Cross multiply
    200.22x = 275.43 × 175.22
  4. Step 4: Simplify right side
    200.22x = 48,260.84
  5. Step 5: Solve for x
    x = 48,260.84/200.22
  6. Step 6: Final answer
    x = 241.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.