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Finding the Fourth Proportional to 111,184.99, 166,808.64 and 44,671.81

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Solution

The fourth proportional to 111,184.99, 166,808.64 and 44,671.81 is: 67,020.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,184.99 : 166,808.64 = 44,671.81 : x
  2. Step 2: Convert to fraction form
    111,184.99/166,808.64 = 44,671.81/x
  3. Step 3: Cross multiply
    111,184.99x = 166,808.64 × 44,671.81
  4. Step 4: Simplify right side
    111,184.99x = 7,451,643,872.44
  5. Step 5: Solve for x
    x = 7,451,643,872.44/111,184.99
  6. Step 6: Final answer
    x = 67,020.23

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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.