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Finding the Fourth Proportional to 111,185.99, 166,810.14 and 44,672.81

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Solution

The fourth proportional to 111,185.99, 166,810.14 and 44,672.81 is: 67,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,185.99 : 166,810.14 = 44,672.81 : x
  2. Step 2: Convert to fraction form
    111,185.99/166,810.14 = 44,672.81/x
  3. Step 3: Cross multiply
    111,185.99x = 166,810.14 × 44,672.81
  4. Step 4: Simplify right side
    111,185.99x = 7,451,877,690.29
  5. Step 5: Solve for x
    x = 7,451,877,690.29/111,185.99
  6. Step 6: Final answer
    x = 67,021.73

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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.