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Finding the Fourth Proportional to 111,282.37, 166,931.20 and 44,722.55

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Solution

The fourth proportional to 111,282.37, 166,931.20 and 44,722.55 is: 67,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,282.37 : 166,931.20 = 44,722.55 : x
  2. Step 2: Convert to fraction form
    111,282.37/166,931.20 = 44,722.55/x
  3. Step 3: Cross multiply
    111,282.37x = 166,931.20 × 44,722.55
  4. Step 4: Simplify right side
    111,282.37x = 7,465,588,938.56
  5. Step 5: Solve for x
    x = 7,465,588,938.56/111,282.37
  6. Step 6: Final answer
    x = 67,086.90

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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.