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Finding the Fourth Proportional to 268,083.48, 369,862.70 and 171,343.97

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Solution

The fourth proportional to 268,083.48, 369,862.70 and 171,343.97 is: 236,395.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,083.48 : 369,862.70 = 171,343.97 : x
  2. Step 2: Convert to fraction form
    268,083.48/369,862.70 = 171,343.97/x
  3. Step 3: Cross multiply
    268,083.48x = 369,862.70 × 171,343.97
  4. Step 4: Simplify right side
    268,083.48x = 63,373,743,372.92
  5. Step 5: Solve for x
    x = 63,373,743,372.92/268,083.48
  6. Step 6: Final answer
    x = 236,395.56

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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.