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Finding the Fourth Proportional to 268,863.97, 371,037 and 146,359.88

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Solution

The fourth proportional to 268,863.97, 371,037 and 146,359.88 is: 201,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,863.97 : 371,037 = 146,359.88 : x
  2. Step 2: Convert to fraction form
    268,863.97/371,037 = 146,359.88/x
  3. Step 3: Cross multiply
    268,863.97x = 371,037 × 146,359.88
  4. Step 4: Simplify right side
    268,863.97x = 54,304,928,940.38
  5. Step 5: Solve for x
    x = 54,304,928,940.38/268,863.97
  6. Step 6: Final answer
    x = 201,979.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.