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Finding the Fourth Proportional to 163,644.32, 225,827.72 and 92,022.80

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Solution

The fourth proportional to 163,644.32, 225,827.72 and 92,022.80 is: 126,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,644.32 : 225,827.72 = 92,022.80 : x
  2. Step 2: Convert to fraction form
    163,644.32/225,827.72 = 92,022.80/x
  3. Step 3: Cross multiply
    163,644.32x = 225,827.72 × 92,022.80
  4. Step 4: Simplify right side
    163,644.32x = 20,781,299,112.02
  5. Step 5: Solve for x
    x = 20,781,299,112.02/163,644.32
  6. Step 6: Final answer
    x = 126,990.65

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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.