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Finding the Fourth Proportional to 178,997.68, 268,328.84 and 60,586.12

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Solution

The fourth proportional to 178,997.68, 268,328.84 and 60,586.12 is: 90,822.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,997.68 : 268,328.84 = 60,586.12 : x
  2. Step 2: Convert to fraction form
    178,997.68/268,328.84 = 60,586.12/x
  3. Step 3: Cross multiply
    178,997.68x = 268,328.84 × 60,586.12
  4. Step 4: Simplify right side
    178,997.68x = 16,257,003,299.70
  5. Step 5: Solve for x
    x = 16,257,003,299.70/178,997.68
  6. Step 6: Final answer
    x = 90,822.42

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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.