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Finding the Fourth Proportional to 220,975.60, 331,463.40 and 73,231.60

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Solution

The fourth proportional to 220,975.60, 331,463.40 and 73,231.60 is: 109,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,975.60 : 331,463.40 = 73,231.60 : x
  2. Step 2: Convert to fraction form
    220,975.60/331,463.40 = 73,231.60/x
  3. Step 3: Cross multiply
    220,975.60x = 331,463.40 × 73,231.60
  4. Step 4: Simplify right side
    220,975.60x = 24,273,595,123.44
  5. Step 5: Solve for x
    x = 24,273,595,123.44/220,975.60
  6. Step 6: Final answer
    x = 109,847.40

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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.