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Finding the Fourth Proportional to 178,453.68, 268,098.84 and 168,366.48

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Solution

The fourth proportional to 178,453.68, 268,098.84 and 168,366.48 is: 252,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,453.68 : 268,098.84 = 168,366.48 : x
  2. Step 2: Convert to fraction form
    178,453.68/268,098.84 = 168,366.48/x
  3. Step 3: Cross multiply
    178,453.68x = 268,098.84 × 168,366.48
  4. Step 4: Simplify right side
    178,453.68x = 45,138,857,982.88
  5. Step 5: Solve for x
    x = 45,138,857,982.88/178,453.68
  6. Step 6: Final answer
    x = 252,944.39

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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.