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Finding the Fourth Proportional to 111,079.80, 166,637.88 and 35,183.52

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Solution

The fourth proportional to 111,079.80, 166,637.88 and 35,183.52 is: 52,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,079.80 : 166,637.88 = 35,183.52 : x
  2. Step 2: Convert to fraction form
    111,079.80/166,637.88 = 35,183.52/x
  3. Step 3: Cross multiply
    111,079.80x = 166,637.88 × 35,183.52
  4. Step 4: Simplify right side
    111,079.80x = 5,862,907,183.74
  5. Step 5: Solve for x
    x = 5,862,907,183.74/111,079.80
  6. Step 6: Final answer
    x = 52,781.04

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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.