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Finding the Fourth Proportional to 111,944.70, 167,625.45 and 106,695.90

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Solution

The fourth proportional to 111,944.70, 167,625.45 and 106,695.90 is: 159,765.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.70 : 167,625.45 = 106,695.90 : x
  2. Step 2: Convert to fraction form
    111,944.70/167,625.45 = 106,695.90/x
  3. Step 3: Cross multiply
    111,944.70x = 167,625.45 × 106,695.90
  4. Step 4: Simplify right side
    111,944.70x = 17,884,948,250.66
  5. Step 5: Solve for x
    x = 17,884,948,250.66/111,944.70
  6. Step 6: Final answer
    x = 159,765.92

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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.