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Finding the Fourth Proportional to 111,662.81, 167,520.12 and 36,780.27

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Solution

The fourth proportional to 111,662.81, 167,520.12 and 36,780.27 is: 55,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,662.81 : 167,520.12 = 36,780.27 : x
  2. Step 2: Convert to fraction form
    111,662.81/167,520.12 = 36,780.27/x
  3. Step 3: Cross multiply
    111,662.81x = 167,520.12 × 36,780.27
  4. Step 4: Simplify right side
    111,662.81x = 6,161,435,244.03
  5. Step 5: Solve for x
    x = 6,161,435,244.03/111,662.81
  6. Step 6: Final answer
    x = 55,178.94

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1.5x scale

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.