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Finding the Fourth Proportional to 98,233.97, 135,579.26 and 57,957.71

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Solution

The fourth proportional to 98,233.97, 135,579.26 and 57,957.71 is: 79,991.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,233.97 : 135,579.26 = 57,957.71 : x
  2. Step 2: Convert to fraction form
    98,233.97/135,579.26 = 57,957.71/x
  3. Step 3: Cross multiply
    98,233.97x = 135,579.26 × 57,957.71
  4. Step 4: Simplify right side
    98,233.97x = 7,857,863,433.09
  5. Step 5: Solve for x
    x = 7,857,863,433.09/98,233.97
  6. Step 6: Final answer
    x = 79,991.30

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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.