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Finding the Fourth Proportional to 111,480.15, 167,245.77 and 48,310.88

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Solution

The fourth proportional to 111,480.15, 167,245.77 and 48,310.88 is: 72,477.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,480.15 : 167,245.77 = 48,310.88 : x
  2. Step 2: Convert to fraction form
    111,480.15/167,245.77 = 48,310.88/x
  3. Step 3: Cross multiply
    111,480.15x = 167,245.77 × 48,310.88
  4. Step 4: Simplify right side
    111,480.15x = 8,079,789,488.75
  5. Step 5: Solve for x
    x = 8,079,789,488.75/111,480.15
  6. Step 6: Final answer
    x = 72,477.38

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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.