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Finding the Fourth Proportional to 180,618.86, 270,928.94 and 60,672.39

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Solution

The fourth proportional to 180,618.86, 270,928.94 and 60,672.39 is: 91,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,618.86 : 270,928.94 = 60,672.39 : x
  2. Step 2: Convert to fraction form
    180,618.86/270,928.94 = 60,672.39/x
  3. Step 3: Cross multiply
    180,618.86x = 270,928.94 × 60,672.39
  4. Step 4: Simplify right side
    180,618.86x = 16,437,906,309.97
  5. Step 5: Solve for x
    x = 16,437,906,309.97/180,618.86
  6. Step 6: Final answer
    x = 91,008.80

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1.5x scale

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.