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Finding the Fourth Proportional to 111,894.48, 167,958.36 and 49,608.72

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Solution

The fourth proportional to 111,894.48, 167,958.36 and 49,608.72 is: 74,464.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,894.48 : 167,958.36 = 49,608.72 : x
  2. Step 2: Convert to fraction form
    111,894.48/167,958.36 = 49,608.72/x
  3. Step 3: Cross multiply
    111,894.48x = 167,958.36 × 49,608.72
  4. Step 4: Simplify right side
    111,894.48x = 8,332,199,252.90
  5. Step 5: Solve for x
    x = 8,332,199,252.90/111,894.48
  6. Step 6: Final answer
    x = 74,464.79

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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.