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Finding the Fourth Proportional to 111,317.79, 166,935.15 and 44,735.40

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Solution

The fourth proportional to 111,317.79, 166,935.15 and 44,735.40 is: 67,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,317.79 : 166,935.15 = 44,735.40 : x
  2. Step 2: Convert to fraction form
    111,317.79/166,935.15 = 44,735.40/x
  3. Step 3: Cross multiply
    111,317.79x = 166,935.15 × 44,735.40
  4. Step 4: Simplify right side
    111,317.79x = 7,467,910,709.31
  5. Step 5: Solve for x
    x = 7,467,910,709.31/111,317.79
  6. Step 6: Final answer
    x = 67,086.41

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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.