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Finding the Fourth Proportional to 175,850.40, 263,769.20 and 70,640.80

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Solution

The fourth proportional to 175,850.40, 263,769.20 and 70,640.80 is: 105,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,850.40 : 263,769.20 = 70,640.80 : x
  2. Step 2: Convert to fraction form
    175,850.40/263,769.20 = 70,640.80/x
  3. Step 3: Cross multiply
    175,850.40x = 263,769.20 × 70,640.80
  4. Step 4: Simplify right side
    175,850.40x = 18,632,867,303.36
  5. Step 5: Solve for x
    x = 18,632,867,303.36/175,850.40
  6. Step 6: Final answer
    x = 105,958.63

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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.