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Finding the Fourth Proportional to 236,391.40, 325,815.78 and 185,069.80

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Solution

The fourth proportional to 236,391.40, 325,815.78 and 185,069.80 is: 255,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,391.40 : 325,815.78 = 185,069.80 : x
  2. Step 2: Convert to fraction form
    236,391.40/325,815.78 = 185,069.80/x
  3. Step 3: Cross multiply
    236,391.40x = 325,815.78 × 185,069.80
  4. Step 4: Simplify right side
    236,391.40x = 60,298,661,241.44
  5. Step 5: Solve for x
    x = 60,298,661,241.44/236,391.40
  6. Step 6: Final answer
    x = 255,079.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.