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Finding the Fourth Proportional to 96,604.60, 144,906.90 and 80,015.80

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Solution

The fourth proportional to 96,604.60, 144,906.90 and 80,015.80 is: 120,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,604.60 : 144,906.90 = 80,015.80 : x
  2. Step 2: Convert to fraction form
    96,604.60/144,906.90 = 80,015.80/x
  3. Step 3: Cross multiply
    96,604.60x = 144,906.90 × 80,015.80
  4. Step 4: Simplify right side
    96,604.60x = 11,594,841,529.02
  5. Step 5: Solve for x
    x = 11,594,841,529.02/96,604.60
  6. Step 6: Final answer
    x = 120,023.70

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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.