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Finding the Fourth Proportional to 93,401.96, 140,198.24 and 68,367.64

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Solution

The fourth proportional to 93,401.96, 140,198.24 and 68,367.64 is: 102,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,401.96 : 140,198.24 = 68,367.64 : x
  2. Step 2: Convert to fraction form
    93,401.96/140,198.24 = 68,367.64/x
  3. Step 3: Cross multiply
    93,401.96x = 140,198.24 × 68,367.64
  4. Step 4: Simplify right side
    93,401.96x = 9,585,022,459.12
  5. Step 5: Solve for x
    x = 9,585,022,459.12/93,401.96
  6. Step 6: Final answer
    x = 102,621.22

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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.