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Finding the Fourth Proportional to 111,963.60, 167,941.80 and 37,087.20

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Solution

The fourth proportional to 111,963.60, 167,941.80 and 37,087.20 is: 55,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,963.60 : 167,941.80 = 37,087.20 : x
  2. Step 2: Convert to fraction form
    111,963.60/167,941.80 = 37,087.20/x
  3. Step 3: Cross multiply
    111,963.60x = 167,941.80 × 37,087.20
  4. Step 4: Simplify right side
    111,963.60x = 6,228,491,124.96
  5. Step 5: Solve for x
    x = 6,228,491,124.96/111,963.60
  6. Step 6: Final answer
    x = 55,629.61

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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.