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Finding the Fourth Proportional to 111,410.25, 167,137.25 and 49,080.75

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Solution

The fourth proportional to 111,410.25, 167,137.25 and 49,080.75 is: 73,630.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,410.25 : 167,137.25 = 49,080.75 : x
  2. Step 2: Convert to fraction form
    111,410.25/167,137.25 = 49,080.75/x
  3. Step 3: Cross multiply
    111,410.25x = 167,137.25 × 49,080.75
  4. Step 4: Simplify right side
    111,410.25x = 8,203,221,337.53
  5. Step 5: Solve for x
    x = 8,203,221,337.53/111,410.25
  6. Step 6: Final answer
    x = 73,630.76

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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.