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Finding the Fourth Proportional to 163,074.80, 244,309.80 and 92,745.20

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Solution

The fourth proportional to 163,074.80, 244,309.80 and 92,745.20 is: 138,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,074.80 : 244,309.80 = 92,745.20 : x
  2. Step 2: Convert to fraction form
    163,074.80/244,309.80 = 92,745.20/x
  3. Step 3: Cross multiply
    163,074.80x = 244,309.80 × 92,745.20
  4. Step 4: Simplify right side
    163,074.80x = 22,658,561,262.96
  5. Step 5: Solve for x
    x = 22,658,561,262.96/163,074.80
  6. Step 6: Final answer
    x = 138,945.82

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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.