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Finding the Fourth Proportional to 371,958.94, 557,854.57 and 105,713.56

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Solution

The fourth proportional to 371,958.94, 557,854.57 and 105,713.56 is: 158,546.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,958.94 : 557,854.57 = 105,713.56 : x
  2. Step 2: Convert to fraction form
    371,958.94/557,854.57 = 105,713.56/x
  3. Step 3: Cross multiply
    371,958.94x = 557,854.57 × 105,713.56
  4. Step 4: Simplify right side
    371,958.94x = 58,972,792,556.97
  5. Step 5: Solve for x
    x = 58,972,792,556.97/371,958.94
  6. Step 6: Final answer
    x = 158,546.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.