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Finding the Fourth Proportional to 299,694.88, 449,608.04 and 112,706.40

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Solution

The fourth proportional to 299,694.88, 449,608.04 and 112,706.40 is: 169,084.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,694.88 : 449,608.04 = 112,706.40 : x
  2. Step 2: Convert to fraction form
    299,694.88/449,608.04 = 112,706.40/x
  3. Step 3: Cross multiply
    299,694.88x = 449,608.04 × 112,706.40
  4. Step 4: Simplify right side
    299,694.88x = 50,673,703,599.46
  5. Step 5: Solve for x
    x = 50,673,703,599.46/299,694.88
  6. Step 6: Final answer
    x = 169,084.32

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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.