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Finding the Fourth Proportional to 163,745.86, 225,950.96 and 92,150.50

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Solution

The fourth proportional to 163,745.86, 225,950.96 and 92,150.50 is: 127,157.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,745.86 : 225,950.96 = 92,150.50 : x
  2. Step 2: Convert to fraction form
    163,745.86/225,950.96 = 92,150.50/x
  3. Step 3: Cross multiply
    163,745.86x = 225,950.96 × 92,150.50
  4. Step 4: Simplify right side
    163,745.86x = 20,821,493,939.48
  5. Step 5: Solve for x
    x = 20,821,493,939.48/163,745.86
  6. Step 6: Final answer
    x = 127,157.38

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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.