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Finding the Fourth Proportional to 93,982.26, 140,999.42 and 43,396.74

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Solution

The fourth proportional to 93,982.26, 140,999.42 and 43,396.74 is: 65,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,982.26 : 140,999.42 = 43,396.74 : x
  2. Step 2: Convert to fraction form
    93,982.26/140,999.42 = 43,396.74/x
  3. Step 3: Cross multiply
    93,982.26x = 140,999.42 × 43,396.74
  4. Step 4: Simplify right side
    93,982.26x = 6,118,915,169.89
  5. Step 5: Solve for x
    x = 6,118,915,169.89/93,982.26
  6. Step 6: Final answer
    x = 65,107.13

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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.