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Finding the Fourth Proportional to 174,708.40, 262,062.60 and 111,722.80

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Solution

The fourth proportional to 174,708.40, 262,062.60 and 111,722.80 is: 167,584.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,708.40 : 262,062.60 = 111,722.80 : x
  2. Step 2: Convert to fraction form
    174,708.40/262,062.60 = 111,722.80/x
  3. Step 3: Cross multiply
    174,708.40x = 262,062.60 × 111,722.80
  4. Step 4: Simplify right side
    174,708.40x = 29,278,367,447.28
  5. Step 5: Solve for x
    x = 29,278,367,447.28/174,708.40
  6. Step 6: Final answer
    x = 167,584.20

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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.