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Finding the Fourth Proportional to 250,512, 345,706.58 and 137,335.56

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Solution

The fourth proportional to 250,512, 345,706.58 and 137,335.56 is: 189,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,512 : 345,706.58 = 137,335.56 : x
  2. Step 2: Convert to fraction form
    250,512/345,706.58 = 137,335.56/x
  3. Step 3: Cross multiply
    250,512x = 345,706.58 × 137,335.56
  4. Step 4: Simplify right side
    250,512x = 47,477,806,759.98
  5. Step 5: Solve for x
    x = 47,477,806,759.98/250,512
  6. Step 6: Final answer
    x = 189,523.08

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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.