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Finding the Fourth Proportional to 93,662.10, 140,201.55 and 54,101.70

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Solution

The fourth proportional to 93,662.10, 140,201.55 and 54,101.70 is: 80,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,662.10 : 140,201.55 = 54,101.70 : x
  2. Step 2: Convert to fraction form
    93,662.10/140,201.55 = 54,101.70/x
  3. Step 3: Cross multiply
    93,662.10x = 140,201.55 × 54,101.70
  4. Step 4: Simplify right side
    93,662.10x = 7,585,142,197.64
  5. Step 5: Solve for x
    x = 7,585,142,197.64/93,662.10
  6. Step 6: Final answer
    x = 80,984.11

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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.