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Finding the Fourth Proportional to 93,998.56, 140,997.84 and 54,829.12

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Solution

The fourth proportional to 93,998.56, 140,997.84 and 54,829.12 is: 82,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,998.56 : 140,997.84 = 54,829.12 : x
  2. Step 2: Convert to fraction form
    93,998.56/140,997.84 = 54,829.12/x
  3. Step 3: Cross multiply
    93,998.56x = 140,997.84 × 54,829.12
  4. Step 4: Simplify right side
    93,998.56x = 7,730,787,489.10
  5. Step 5: Solve for x
    x = 7,730,787,489.10/93,998.56
  6. Step 6: Final answer
    x = 82,243.68

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1.5x scale

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.