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Finding the Fourth Proportional to 220,379.00, 330,289.65 and 108,032.81

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Solution

The fourth proportional to 220,379.00, 330,289.65 and 108,032.81 is: 161,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,379.00 : 330,289.65 = 108,032.81 : x
  2. Step 2: Convert to fraction form
    220,379.00/330,289.65 = 108,032.81/x
  3. Step 3: Cross multiply
    220,379.00x = 330,289.65 × 108,032.81
  4. Step 4: Simplify right side
    220,379.00x = 35,682,117,351.97
  5. Step 5: Solve for x
    x = 35,682,117,351.97/220,379.00
  6. Step 6: Final answer
    x = 161,912.52

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1.5x scale

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.