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Finding the Fourth Proportional to 178,914.96, 268,404.84 and 73,676.52

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Solution

The fourth proportional to 178,914.96, 268,404.84 and 73,676.52 is: 110,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,914.96 : 268,404.84 = 73,676.52 : x
  2. Step 2: Convert to fraction form
    178,914.96/268,404.84 = 73,676.52/x
  3. Step 3: Cross multiply
    178,914.96x = 268,404.84 × 73,676.52
  4. Step 4: Simplify right side
    178,914.96x = 19,775,134,562.36
  5. Step 5: Solve for x
    x = 19,775,134,562.36/178,914.96
  6. Step 6: Final answer
    x = 110,528.12

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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.