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Finding the Fourth Proportional to 76,571.63, 105,653.36 and 44,734.38

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Solution

The fourth proportional to 76,571.63, 105,653.36 and 44,734.38 is: 61,724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,571.63 : 105,653.36 = 44,734.38 : x
  2. Step 2: Convert to fraction form
    76,571.63/105,653.36 = 44,734.38/x
  3. Step 3: Cross multiply
    76,571.63x = 105,653.36 × 44,734.38
  4. Step 4: Simplify right side
    76,571.63x = 4,726,337,270.15
  5. Step 5: Solve for x
    x = 4,726,337,270.15/76,571.63
  6. Step 6: Final answer
    x = 61,724.39

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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.