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Finding the Fourth Proportional to 111,257.97, 167,011.50 and 73,891.02

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Solution

The fourth proportional to 111,257.97, 167,011.50 and 73,891.02 is: 110,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.97 : 167,011.50 = 73,891.02 : x
  2. Step 2: Convert to fraction form
    111,257.97/167,011.50 = 73,891.02/x
  3. Step 3: Cross multiply
    111,257.97x = 167,011.50 × 73,891.02
  4. Step 4: Simplify right side
    111,257.97x = 12,340,650,407.64
  5. Step 5: Solve for x
    x = 12,340,650,407.64/111,257.97
  6. Step 6: Final answer
    x = 110,919.25

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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.