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Finding the Fourth Proportional to 146,122.60, 219,414.30 and 83,914.60

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Solution

The fourth proportional to 146,122.60, 219,414.30 and 83,914.60 is: 126,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,122.60 : 219,414.30 = 83,914.60 : x
  2. Step 2: Convert to fraction form
    146,122.60/219,414.30 = 83,914.60/x
  3. Step 3: Cross multiply
    146,122.60x = 219,414.30 × 83,914.60
  4. Step 4: Simplify right side
    146,122.60x = 18,412,063,218.78
  5. Step 5: Solve for x
    x = 18,412,063,218.78/146,122.60
  6. Step 6: Final answer
    x = 126,004.21

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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.