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Finding the Fourth Proportional to 163,725.56, 225,939.02 and 92,105.56

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Solution

The fourth proportional to 163,725.56, 225,939.02 and 92,105.56 is: 127,104.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,725.56 : 225,939.02 = 92,105.56 : x
  2. Step 2: Convert to fraction form
    163,725.56/225,939.02 = 92,105.56/x
  3. Step 3: Cross multiply
    163,725.56x = 225,939.02 × 92,105.56
  4. Step 4: Simplify right side
    163,725.56x = 20,810,239,962.95
  5. Step 5: Solve for x
    x = 20,810,239,962.95/163,725.56
  6. Step 6: Final answer
    x = 127,104.41

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1.5x scale

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.