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Finding the Fourth Proportional to 70,628.50, 105,942.54 and 44,351.68

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Solution

The fourth proportional to 70,628.50, 105,942.54 and 44,351.68 is: 66,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,628.50 : 105,942.54 = 44,351.68 : x
  2. Step 2: Convert to fraction form
    70,628.50/105,942.54 = 44,351.68/x
  3. Step 3: Cross multiply
    70,628.50x = 105,942.54 × 44,351.68
  4. Step 4: Simplify right side
    70,628.50x = 4,698,729,632.47
  5. Step 5: Solve for x
    x = 4,698,729,632.47/70,628.50
  6. Step 6: Final answer
    x = 66,527.39

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