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Finding the Fourth Proportional to 111,314.79, 166,930.65 and 44,732.40

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Solution

The fourth proportional to 111,314.79, 166,930.65 and 44,732.40 is: 67,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,314.79 : 166,930.65 = 44,732.40 : x
  2. Step 2: Convert to fraction form
    111,314.79/166,930.65 = 44,732.40/x
  3. Step 3: Cross multiply
    111,314.79x = 166,930.65 × 44,732.40
  4. Step 4: Simplify right side
    111,314.79x = 7,467,208,608.06
  5. Step 5: Solve for x
    x = 7,467,208,608.06/111,314.79
  6. Step 6: Final answer
    x = 67,081.91

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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.