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Finding the Fourth Proportional to 275.02, 412.26 and 167.02

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Solution

The fourth proportional to 275.02, 412.26 and 167.02 is: 250.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275.02 : 412.26 = 167.02 : x
  2. Step 2: Convert to fraction form
    275.02/412.26 = 167.02/x
  3. Step 3: Cross multiply
    275.02x = 412.26 × 167.02
  4. Step 4: Simplify right side
    275.02x = 68,855.67
  5. Step 5: Solve for x
    x = 68,855.67/275.02
  6. Step 6: Final answer
    x = 250.37

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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.