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Finding the Fourth Proportional to 269,247.78, 371,625.26 and 167,350.21

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Solution

The fourth proportional to 269,247.78, 371,625.26 and 167,350.21 is: 230,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,247.78 : 371,625.26 = 167,350.21 : x
  2. Step 2: Convert to fraction form
    269,247.78/371,625.26 = 167,350.21/x
  3. Step 3: Cross multiply
    269,247.78x = 371,625.26 × 167,350.21
  4. Step 4: Simplify right side
    269,247.78x = 62,191,563,536.49
  5. Step 5: Solve for x
    x = 62,191,563,536.49/269,247.78
  6. Step 6: Final answer
    x = 230,982.64

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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.