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Finding the Fourth Proportional to 273,948.20, 410,663.10 and 161,714.60

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Solution

The fourth proportional to 273,948.20, 410,663.10 and 161,714.60 is: 242,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,948.20 : 410,663.10 = 161,714.60 : x
  2. Step 2: Convert to fraction form
    273,948.20/410,663.10 = 161,714.60/x
  3. Step 3: Cross multiply
    273,948.20x = 410,663.10 × 161,714.60
  4. Step 4: Simplify right side
    273,948.20x = 66,410,218,951.26
  5. Step 5: Solve for x
    x = 66,410,218,951.26/273,948.20
  6. Step 6: Final answer
    x = 242,418.89

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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.