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Finding the Fourth Proportional to 180,508.41, 270,793.36 and 90,594.00

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Solution

The fourth proportional to 180,508.41, 270,793.36 and 90,594.00 is: 135,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,508.41 : 270,793.36 = 90,594.00 : x
  2. Step 2: Convert to fraction form
    180,508.41/270,793.36 = 90,594.00/x
  3. Step 3: Cross multiply
    180,508.41x = 270,793.36 × 90,594.00
  4. Step 4: Simplify right side
    180,508.41x = 24,532,254,784.56
  5. Step 5: Solve for x
    x = 24,532,254,784.56/180,508.41
  6. Step 6: Final answer
    x = 135,906.44

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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.