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Finding the Fourth Proportional to 230,392.92, 345,537.54 and 82,648.92

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Solution

The fourth proportional to 230,392.92, 345,537.54 and 82,648.92 is: 123,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,392.92 : 345,537.54 = 82,648.92 : x
  2. Step 2: Convert to fraction form
    230,392.92/345,537.54 = 82,648.92/x
  3. Step 3: Cross multiply
    230,392.92x = 345,537.54 × 82,648.92
  4. Step 4: Simplify right side
    230,392.92x = 28,558,304,500.46
  5. Step 5: Solve for x
    x = 28,558,304,500.46/230,392.92
  6. Step 6: Final answer
    x = 123,954.78

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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.