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Finding the Fourth Proportional to 76,040.37, 104,928.21 and 44,211.42

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Solution

The fourth proportional to 76,040.37, 104,928.21 and 44,211.42 is: 61,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,040.37 : 104,928.21 = 44,211.42 : x
  2. Step 2: Convert to fraction form
    76,040.37/104,928.21 = 44,211.42/x
  3. Step 3: Cross multiply
    76,040.37x = 104,928.21 × 44,211.42
  4. Step 4: Simplify right side
    76,040.37x = 4,639,025,162.16
  5. Step 5: Solve for x
    x = 4,639,025,162.16/76,040.37
  6. Step 6: Final answer
    x = 61,007.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.