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Finding the Fourth Proportional to 252,668.67, 379,001.78 and 102,873.44

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Solution

The fourth proportional to 252,668.67, 379,001.78 and 102,873.44 is: 154,309.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,668.67 : 379,001.78 = 102,873.44 : x
  2. Step 2: Convert to fraction form
    252,668.67/379,001.78 = 102,873.44/x
  3. Step 3: Cross multiply
    252,668.67x = 379,001.78 × 102,873.44
  4. Step 4: Simplify right side
    252,668.67x = 38,989,216,874.72
  5. Step 5: Solve for x
    x = 38,989,216,874.72/252,668.67
  6. Step 6: Final answer
    x = 154,309.66

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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.