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Finding the Fourth Proportional to 268,997.44, 371,199.36 and 161,572

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Solution

The fourth proportional to 268,997.44, 371,199.36 and 161,572 is: 222,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,997.44 : 371,199.36 = 161,572 : x
  2. Step 2: Convert to fraction form
    268,997.44/371,199.36 = 161,572/x
  3. Step 3: Cross multiply
    268,997.44x = 371,199.36 × 161,572
  4. Step 4: Simplify right side
    268,997.44x = 59,975,422,993.92
  5. Step 5: Solve for x
    x = 59,975,422,993.92/268,997.44
  6. Step 6: Final answer
    x = 222,959.08

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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.