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Finding the Fourth Proportional to 230,716.20, 345,306.30 and 167,356.20

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Solution

The fourth proportional to 230,716.20, 345,306.30 and 167,356.20 is: 250,477.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,716.20 : 345,306.30 = 167,356.20 : x
  2. Step 2: Convert to fraction form
    230,716.20/345,306.30 = 167,356.20/x
  3. Step 3: Cross multiply
    230,716.20x = 345,306.30 × 167,356.20
  4. Step 4: Simplify right side
    230,716.20x = 57,789,150,204.06
  5. Step 5: Solve for x
    x = 57,789,150,204.06/230,716.20
  6. Step 6: Final answer
    x = 250,477.21

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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.