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Finding the Fourth Proportional to 180,391.30, 270,585.03 and 55,733.38

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Solution

The fourth proportional to 180,391.30, 270,585.03 and 55,733.38 is: 83,599.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,391.30 : 270,585.03 = 55,733.38 : x
  2. Step 2: Convert to fraction form
    180,391.30/270,585.03 = 55,733.38/x
  3. Step 3: Cross multiply
    180,391.30x = 270,585.03 × 55,733.38
  4. Step 4: Simplify right side
    180,391.30x = 15,080,618,299.30
  5. Step 5: Solve for x
    x = 15,080,618,299.30/180,391.30
  6. Step 6: Final answer
    x = 83,599.48

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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.