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Finding the Fourth Proportional to 268,993.94, 371,194.53 and 161,568.50

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Solution

The fourth proportional to 268,993.94, 371,194.53 and 161,568.50 is: 222,954.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,993.94 : 371,194.53 = 161,568.50 : x
  2. Step 2: Convert to fraction form
    268,993.94/371,194.53 = 161,568.50/x
  3. Step 3: Cross multiply
    268,993.94x = 371,194.53 × 161,568.50
  4. Step 4: Simplify right side
    268,993.94x = 59,973,343,420.31
  5. Step 5: Solve for x
    x = 59,973,343,420.31/268,993.94
  6. Step 6: Final answer
    x = 222,954.25

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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.