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Finding the Fourth Proportional to 219,940.41, 330,076.44 and 160,928.31

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Solution

The fourth proportional to 219,940.41, 330,076.44 and 160,928.31 is: 241,513.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,940.41 : 330,076.44 = 160,928.31 : x
  2. Step 2: Convert to fraction form
    219,940.41/330,076.44 = 160,928.31/x
  3. Step 3: Cross multiply
    219,940.41x = 330,076.44 × 160,928.31
  4. Step 4: Simplify right side
    219,940.41x = 53,118,643,660.02
  5. Step 5: Solve for x
    x = 53,118,643,660.02/219,940.41
  6. Step 6: Final answer
    x = 241,513.80

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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.