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Finding the Fourth Proportional to 250,353, 345,487.14 and 149,751

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Solution

The fourth proportional to 250,353, 345,487.14 and 149,751 is: 206,656.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,353 : 345,487.14 = 149,751 : x
  2. Step 2: Convert to fraction form
    250,353/345,487.14 = 149,751/x
  3. Step 3: Cross multiply
    250,353x = 345,487.14 × 149,751
  4. Step 4: Simplify right side
    250,353x = 51,737,044,702.14
  5. Step 5: Solve for x
    x = 51,737,044,702.14/250,353
  6. Step 6: Final answer
    x = 206,656.38

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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.