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Finding the Fourth Proportional to 252,872.73, 379,363.77 and 134,526.87

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Solution

The fourth proportional to 252,872.73, 379,363.77 and 134,526.87 is: 201,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,872.73 : 379,363.77 = 134,526.87 : x
  2. Step 2: Convert to fraction form
    252,872.73/379,363.77 = 134,526.87/x
  3. Step 3: Cross multiply
    252,872.73x = 379,363.77 × 134,526.87
  4. Step 4: Simplify right side
    252,872.73x = 51,034,620,569.50
  5. Step 5: Solve for x
    x = 51,034,620,569.50/252,872.73
  6. Step 6: Final answer
    x = 201,819.39

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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.