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Finding the Fourth Proportional to 178,351.94, 246,116.31 and 101,855.94

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Solution

The fourth proportional to 178,351.94, 246,116.31 and 101,855.94 is: 140,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,351.94 : 246,116.31 = 101,855.94 : x
  2. Step 2: Convert to fraction form
    178,351.94/246,116.31 = 101,855.94/x
  3. Step 3: Cross multiply
    178,351.94x = 246,116.31 × 101,855.94
  4. Step 4: Simplify right side
    178,351.94x = 25,068,407,241.10
  5. Step 5: Solve for x
    x = 25,068,407,241.10/178,351.94
  6. Step 6: Final answer
    x = 140,555.84

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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.