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Finding the Fourth Proportional to 180,723.60, 270,696.60 and 149,619.60

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Solution

The fourth proportional to 180,723.60, 270,696.60 and 149,619.60 is: 224,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,723.60 : 270,696.60 = 149,619.60 : x
  2. Step 2: Convert to fraction form
    180,723.60/270,696.60 = 149,619.60/x
  3. Step 3: Cross multiply
    180,723.60x = 270,696.60 × 149,619.60
  4. Step 4: Simplify right side
    180,723.60x = 40,501,517,013.36
  5. Step 5: Solve for x
    x = 40,501,517,013.36/180,723.60
  6. Step 6: Final answer
    x = 224,107.52

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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.