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Finding the Fourth Proportional to 151,600.80, 227,401.20 and 72,674.40

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Solution

The fourth proportional to 151,600.80, 227,401.20 and 72,674.40 is: 109,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,600.80 : 227,401.20 = 72,674.40 : x
  2. Step 2: Convert to fraction form
    151,600.80/227,401.20 = 72,674.40/x
  3. Step 3: Cross multiply
    151,600.80x = 227,401.20 × 72,674.40
  4. Step 4: Simplify right side
    151,600.80x = 16,526,245,769.28
  5. Step 5: Solve for x
    x = 16,526,245,769.28/151,600.80
  6. Step 6: Final answer
    x = 109,011.60

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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.