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Finding the Fourth Proportional to 250,512.44, 345,706.44 and 137,335.28

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Solution

The fourth proportional to 250,512.44, 345,706.44 and 137,335.28 is: 189,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,512.44 : 345,706.44 = 137,335.28 : x
  2. Step 2: Convert to fraction form
    250,512.44/345,706.44 = 137,335.28/x
  3. Step 3: Cross multiply
    250,512.44x = 345,706.44 × 137,335.28
  4. Step 4: Simplify right side
    250,512.44x = 47,477,690,735.20
  5. Step 5: Solve for x
    x = 47,477,690,735.20/250,512.44
  6. Step 6: Final answer
    x = 189,522.29

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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.