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Finding the Fourth Proportional to 111,197.75, 166,813.91 and 37,343.03

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Solution

The fourth proportional to 111,197.75, 166,813.91 and 37,343.03 is: 56,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,197.75 : 166,813.91 = 37,343.03 : x
  2. Step 2: Convert to fraction form
    111,197.75/166,813.91 = 37,343.03/x
  3. Step 3: Cross multiply
    111,197.75x = 166,813.91 × 37,343.03
  4. Step 4: Simplify right side
    111,197.75x = 6,229,336,845.55
  5. Step 5: Solve for x
    x = 6,229,336,845.55/111,197.75
  6. Step 6: Final answer
    x = 56,020.35

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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.