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Finding the Fourth Proportional to 159,406.97, 219,915.59 and 94,863.29

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Solution

The fourth proportional to 159,406.97, 219,915.59 and 94,863.29 is: 130,872.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,406.97 : 219,915.59 = 94,863.29 : x
  2. Step 2: Convert to fraction form
    159,406.97/219,915.59 = 94,863.29/x
  3. Step 3: Cross multiply
    159,406.97x = 219,915.59 × 94,863.29
  4. Step 4: Simplify right side
    159,406.97x = 20,861,914,815.80
  5. Step 5: Solve for x
    x = 20,861,914,815.80/159,406.97
  6. Step 6: Final answer
    x = 130,872.04

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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.