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Finding the Fourth Proportional to 252,920.90, 379,568.45 and 119,801.48

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Solution

The fourth proportional to 252,920.90, 379,568.45 and 119,801.48 is: 179,790.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,920.90 : 379,568.45 = 119,801.48 : x
  2. Step 2: Convert to fraction form
    252,920.90/379,568.45 = 119,801.48/x
  3. Step 3: Cross multiply
    252,920.90x = 379,568.45 × 119,801.48
  4. Step 4: Simplify right side
    252,920.90x = 45,472,860,472.97
  5. Step 5: Solve for x
    x = 45,472,860,472.97/252,920.90
  6. Step 6: Final answer
    x = 179,790.84

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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.