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Finding the Fourth Proportional to 230,383.17, 345,522.92 and 82,639.17

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Solution

The fourth proportional to 230,383.17, 345,522.92 and 82,639.17 is: 123,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,383.17 : 345,522.92 = 82,639.17 : x
  2. Step 2: Convert to fraction form
    230,383.17/345,522.92 = 82,639.17/x
  3. Step 3: Cross multiply
    230,383.17x = 345,522.92 × 82,639.17
  4. Step 4: Simplify right side
    230,383.17x = 28,553,726,911.58
  5. Step 5: Solve for x
    x = 28,553,726,911.58/230,383.17
  6. Step 6: Final answer
    x = 123,940.16

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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.