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Finding the Fourth Proportional to 151,757.60, 227,636.40 and 80,898.80

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Solution

The fourth proportional to 151,757.60, 227,636.40 and 80,898.80 is: 121,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,757.60 : 227,636.40 = 80,898.80 : x
  2. Step 2: Convert to fraction form
    151,757.60/227,636.40 = 80,898.80/x
  3. Step 3: Cross multiply
    151,757.60x = 227,636.40 × 80,898.80
  4. Step 4: Simplify right side
    151,757.60x = 18,415,511,596.32
  5. Step 5: Solve for x
    x = 18,415,511,596.32/151,757.60
  6. Step 6: Final answer
    x = 121,348.20

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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.