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Finding the Fourth Proportional to 230,229.80, 345,344.70 and 168,021.80

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Solution

The fourth proportional to 230,229.80, 345,344.70 and 168,021.80 is: 252,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,229.80 : 345,344.70 = 168,021.80 : x
  2. Step 2: Convert to fraction form
    230,229.80/345,344.70 = 168,021.80/x
  3. Step 3: Cross multiply
    230,229.80x = 345,344.70 × 168,021.80
  4. Step 4: Simplify right side
    230,229.80x = 58,025,438,114.46
  5. Step 5: Solve for x
    x = 58,025,438,114.46/230,229.80
  6. Step 6: Final answer
    x = 252,032.70

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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.