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Finding the Fourth Proportional to 111,256.62, 166,829.49 and 36,367.02

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Solution

The fourth proportional to 111,256.62, 166,829.49 and 36,367.02 is: 54,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,256.62 : 166,829.49 = 36,367.02 : x
  2. Step 2: Convert to fraction form
    111,256.62/166,829.49 = 36,367.02/x
  3. Step 3: Cross multiply
    111,256.62x = 166,829.49 × 36,367.02
  4. Step 4: Simplify right side
    111,256.62x = 6,067,091,399.42
  5. Step 5: Solve for x
    x = 6,067,091,399.42/111,256.62
  6. Step 6: Final answer
    x = 54,532.41

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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.