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Finding the Fourth Proportional to 180,391.80, 270,585.78 and 55,733.88

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Solution

The fourth proportional to 180,391.80, 270,585.78 and 55,733.88 is: 83,600.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,391.80 : 270,585.78 = 55,733.88 : x
  2. Step 2: Convert to fraction form
    180,391.80/270,585.78 = 55,733.88/x
  3. Step 3: Cross multiply
    180,391.80x = 270,585.78 × 55,733.88
  4. Step 4: Simplify right side
    180,391.80x = 15,080,795,392.23
  5. Step 5: Solve for x
    x = 15,080,795,392.23/180,391.80
  6. Step 6: Final answer
    x = 83,600.23

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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.