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Finding the Fourth Proportional to 178,958.37, 268,435.94 and 54,299.37

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Solution

The fourth proportional to 178,958.37, 268,435.94 and 54,299.37 is: 81,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,958.37 : 268,435.94 = 54,299.37 : x
  2. Step 2: Convert to fraction form
    178,958.37/268,435.94 = 54,299.37/x
  3. Step 3: Cross multiply
    178,958.37x = 268,435.94 × 54,299.37
  4. Step 4: Simplify right side
    178,958.37x = 14,575,902,155.86
  5. Step 5: Solve for x
    x = 14,575,902,155.86/178,958.37
  6. Step 6: Final answer
    x = 81,448.56

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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.