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Finding the Fourth Proportional to 111,063, 166,611.84 and 36,165.48

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Solution

The fourth proportional to 111,063, 166,611.84 and 36,165.48 is: 54,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,063 : 166,611.84 = 36,165.48 : x
  2. Step 2: Convert to fraction form
    111,063/166,611.84 = 36,165.48/x
  3. Step 3: Cross multiply
    111,063x = 166,611.84 × 36,165.48
  4. Step 4: Simplify right side
    111,063x = 6,025,597,167.28
  5. Step 5: Solve for x
    x = 6,025,597,167.28/111,063
  6. Step 6: Final answer
    x = 54,253.87

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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.