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Finding the Fourth Proportional to 217,792.56, 326,619.72 and 70,014

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Solution

The fourth proportional to 217,792.56, 326,619.72 and 70,014 is: 104,998.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,792.56 : 326,619.72 = 70,014 : x
  2. Step 2: Convert to fraction form
    217,792.56/326,619.72 = 70,014/x
  3. Step 3: Cross multiply
    217,792.56x = 326,619.72 × 70,014
  4. Step 4: Simplify right side
    217,792.56x = 22,867,953,076.08
  5. Step 5: Solve for x
    x = 22,867,953,076.08/217,792.56
  6. Step 6: Final answer
    x = 104,998.78

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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.