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Finding the Fourth Proportional to 163,638.88, 225,820.24 and 92,017.37

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Solution

The fourth proportional to 163,638.88, 225,820.24 and 92,017.37 is: 126,983.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,638.88 : 225,820.24 = 92,017.37 : x
  2. Step 2: Convert to fraction form
    163,638.88/225,820.24 = 92,017.37/x
  3. Step 3: Cross multiply
    163,638.88x = 225,820.24 × 92,017.37
  4. Step 4: Simplify right side
    163,638.88x = 20,779,384,912.08
  5. Step 5: Solve for x
    x = 20,779,384,912.08/163,638.88
  6. Step 6: Final answer
    x = 126,983.18

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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.