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Finding the Fourth Proportional to 111,891.18, 167,839.02 and 41,756.52

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Solution

The fourth proportional to 111,891.18, 167,839.02 and 41,756.52 is: 62,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,891.18 : 167,839.02 = 41,756.52 : x
  2. Step 2: Convert to fraction form
    111,891.18/167,839.02 = 41,756.52/x
  3. Step 3: Cross multiply
    111,891.18x = 167,839.02 × 41,756.52
  4. Step 4: Simplify right side
    111,891.18x = 7,008,373,395.41
  5. Step 5: Solve for x
    x = 7,008,373,395.41/111,891.18
  6. Step 6: Final answer
    x = 62,635.62

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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.