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Finding the Fourth Proportional to 111,162.80, 166,726.68 and 36,282.56

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Solution

The fourth proportional to 111,162.80, 166,726.68 and 36,282.56 is: 54,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,162.80 : 166,726.68 = 36,282.56 : x
  2. Step 2: Convert to fraction form
    111,162.80/166,726.68 = 36,282.56/x
  3. Step 3: Cross multiply
    111,162.80x = 166,726.68 × 36,282.56
  4. Step 4: Simplify right side
    111,162.80x = 6,049,270,770.70
  5. Step 5: Solve for x
    x = 6,049,270,770.70/111,162.80
  6. Step 6: Final answer
    x = 54,418.12

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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.