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Finding the Fourth Proportional to 111,325.08, 166,995.20 and 44,765.20

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Solution

The fourth proportional to 111,325.08, 166,995.20 and 44,765.20 is: 67,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,325.08 : 166,995.20 = 44,765.20 : x
  2. Step 2: Convert to fraction form
    111,325.08/166,995.20 = 44,765.20/x
  3. Step 3: Cross multiply
    111,325.08x = 166,995.20 × 44,765.20
  4. Step 4: Simplify right side
    111,325.08x = 7,475,573,527.04
  5. Step 5: Solve for x
    x = 7,475,573,527.04/111,325.08
  6. Step 6: Final answer
    x = 67,150.85

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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.