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Finding the Fourth Proportional to 332,661.76, 499,067.52 and 111,040

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Solution

The fourth proportional to 332,661.76, 499,067.52 and 111,040 is: 166,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,661.76 : 499,067.52 = 111,040 : x
  2. Step 2: Convert to fraction form
    332,661.76/499,067.52 = 111,040/x
  3. Step 3: Cross multiply
    332,661.76x = 499,067.52 × 111,040
  4. Step 4: Simplify right side
    332,661.76x = 55,416,457,420.80
  5. Step 5: Solve for x
    x = 55,416,457,420.80/332,661.76
  6. Step 6: Final answer
    x = 166,584.99

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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.