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Finding the Fourth Proportional to 178,372.58, 246,144.73 and 101,876.64

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Solution

The fourth proportional to 178,372.58, 246,144.73 and 101,876.64 is: 140,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,372.58 : 246,144.73 = 101,876.64 : x
  2. Step 2: Convert to fraction form
    178,372.58/246,144.73 = 101,876.64/x
  3. Step 3: Cross multiply
    178,372.58x = 246,144.73 × 101,876.64
  4. Step 4: Simplify right side
    178,372.58x = 25,076,398,046.11
  5. Step 5: Solve for x
    x = 25,076,398,046.11/178,372.58
  6. Step 6: Final answer
    x = 140,584.38

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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.