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Finding the Fourth Proportional to 93,843.62, 140,682.92 and 48,770.09

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Solution

The fourth proportional to 93,843.62, 140,682.92 and 48,770.09 is: 73,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,843.62 : 140,682.92 = 48,770.09 : x
  2. Step 2: Convert to fraction form
    93,843.62/140,682.92 = 48,770.09/x
  3. Step 3: Cross multiply
    93,843.62x = 140,682.92 × 48,770.09
  4. Step 4: Simplify right side
    93,843.62x = 6,861,117,722.60
  5. Step 5: Solve for x
    x = 6,861,117,722.60/93,843.62
  6. Step 6: Final answer
    x = 73,112.25

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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.