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Finding the Fourth Proportional to 180,544.44, 270,794.79 and 91,861.59

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Solution

The fourth proportional to 180,544.44, 270,794.79 and 91,861.59 is: 137,781.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,544.44 : 270,794.79 = 91,861.59 : x
  2. Step 2: Convert to fraction form
    180,544.44/270,794.79 = 91,861.59/x
  3. Step 3: Cross multiply
    180,544.44x = 270,794.79 × 91,861.59
  4. Step 4: Simplify right side
    180,544.44x = 24,875,639,973.12
  5. Step 5: Solve for x
    x = 24,875,639,973.12/180,544.44
  6. Step 6: Final answer
    x = 137,781.26

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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.