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Finding the Fourth Proportional to 60,661.75, 83,703.37 and 35,163.14

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Solution

The fourth proportional to 60,661.75, 83,703.37 and 35,163.14 is: 48,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.75 : 83,703.37 = 35,163.14 : x
  2. Step 2: Convert to fraction form
    60,661.75/83,703.37 = 35,163.14/x
  3. Step 3: Cross multiply
    60,661.75x = 83,703.37 × 35,163.14
  4. Step 4: Simplify right side
    60,661.75x = 2,943,273,141.97
  5. Step 5: Solve for x
    x = 2,943,273,141.97/60,661.75
  6. Step 6: Final answer
    x = 48,519.42

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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.