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Finding the Fourth Proportional to 220,874.24, 331,409.78 and 80,600.06

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Solution

The fourth proportional to 220,874.24, 331,409.78 and 80,600.06 is: 120,936.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,874.24 : 331,409.78 = 80,600.06 : x
  2. Step 2: Convert to fraction form
    220,874.24/331,409.78 = 80,600.06/x
  3. Step 3: Cross multiply
    220,874.24x = 331,409.78 × 80,600.06
  4. Step 4: Simplify right side
    220,874.24x = 26,711,648,880.36
  5. Step 5: Solve for x
    x = 26,711,648,880.36/220,874.24
  6. Step 6: Final answer
    x = 120,936.01

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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.