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Finding the Fourth Proportional to 111,005.94, 166,471.25 and 36,107.52

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Solution

The fourth proportional to 111,005.94, 166,471.25 and 36,107.52 is: 54,149.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,005.94 : 166,471.25 = 36,107.52 : x
  2. Step 2: Convert to fraction form
    111,005.94/166,471.25 = 36,107.52/x
  3. Step 3: Cross multiply
    111,005.94x = 166,471.25 × 36,107.52
  4. Step 4: Simplify right side
    111,005.94x = 6,010,864,323.50
  5. Step 5: Solve for x
    x = 6,010,864,323.50/111,005.94
  6. Step 6: Final answer
    x = 54,149.03

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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.