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Finding the Fourth Proportional to 268,699.45, 370,651.24 and 167,922.49

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Solution

The fourth proportional to 268,699.45, 370,651.24 and 167,922.49 is: 231,636.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,699.45 : 370,651.24 = 167,922.49 : x
  2. Step 2: Convert to fraction form
    268,699.45/370,651.24 = 167,922.49/x
  3. Step 3: Cross multiply
    268,699.45x = 370,651.24 × 167,922.49
  4. Step 4: Simplify right side
    268,699.45x = 62,240,680,163.09
  5. Step 5: Solve for x
    x = 62,240,680,163.09/268,699.45
  6. Step 6: Final answer
    x = 231,636.80

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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.