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Finding the Fourth Proportional to 159,684.63, 220,380.36 and 119,328.33

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Solution

The fourth proportional to 159,684.63, 220,380.36 and 119,328.33 is: 164,684.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,684.63 : 220,380.36 = 119,328.33 : x
  2. Step 2: Convert to fraction form
    159,684.63/220,380.36 = 119,328.33/x
  3. Step 3: Cross multiply
    159,684.63x = 220,380.36 × 119,328.33
  4. Step 4: Simplify right side
    159,684.63x = 26,297,620,323.60
  5. Step 5: Solve for x
    x = 26,297,620,323.60/159,684.63
  6. Step 6: Final answer
    x = 164,684.73

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Why These Related Problems?

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