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Finding the Fourth Proportional to 228,951.20, 343,426.80 and 71,195.60

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Solution

The fourth proportional to 228,951.20, 343,426.80 and 71,195.60 is: 106,793.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,951.20 : 343,426.80 = 71,195.60 : x
  2. Step 2: Convert to fraction form
    228,951.20/343,426.80 = 71,195.60/x
  3. Step 3: Cross multiply
    228,951.20x = 343,426.80 × 71,195.60
  4. Step 4: Simplify right side
    228,951.20x = 24,450,477,082.08
  5. Step 5: Solve for x
    x = 24,450,477,082.08/228,951.20
  6. Step 6: Final answer
    x = 106,793.40

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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.