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Finding the Fourth Proportional to 146,847.20, 206,000.80 and 146,847.20

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Solution

The fourth proportional to 146,847.20, 206,000.80 and 146,847.20 is: 206,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,847.20 : 206,000.80 = 146,847.20 : x
  2. Step 2: Convert to fraction form
    146,847.20/206,000.80 = 146,847.20/x
  3. Step 3: Cross multiply
    146,847.20x = 206,000.80 × 146,847.20
  4. Step 4: Simplify right side
    146,847.20x = 30,250,640,677.76
  5. Step 5: Solve for x
    x = 30,250,640,677.76/146,847.20
  6. Step 6: Final answer
    x = 206,000.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.