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Finding the Fourth Proportional to 178,858.72, 246,824.22 and 102,377.44

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Solution

The fourth proportional to 178,858.72, 246,824.22 and 102,377.44 is: 141,280.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,858.72 : 246,824.22 = 102,377.44 : x
  2. Step 2: Convert to fraction form
    178,858.72/246,824.22 = 102,377.44/x
  3. Step 3: Cross multiply
    178,858.72x = 246,824.22 × 102,377.44
  4. Step 4: Simplify right side
    178,858.72x = 25,269,231,773.60
  5. Step 5: Solve for x
    x = 25,269,231,773.60/178,858.72
  6. Step 6: Final answer
    x = 141,280.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.