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Finding the Fourth Proportional to 111,150.55, 166,731.14 and 36,270.55

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Solution

The fourth proportional to 111,150.55, 166,731.14 and 36,270.55 is: 54,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,150.55 : 166,731.14 = 36,270.55 : x
  2. Step 2: Convert to fraction form
    111,150.55/166,731.14 = 36,270.55/x
  3. Step 3: Cross multiply
    111,150.55x = 166,731.14 × 36,270.55
  4. Step 4: Simplify right side
    111,150.55x = 6,047,430,149.93
  5. Step 5: Solve for x
    x = 6,047,430,149.93/111,150.55
  6. Step 6: Final answer
    x = 54,407.56

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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.