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Finding the Fourth Proportional to 93,662.56, 140,493.68 and 43,725.92

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Solution

The fourth proportional to 93,662.56, 140,493.68 and 43,725.92 is: 65,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,662.56 : 140,493.68 = 43,725.92 : x
  2. Step 2: Convert to fraction form
    93,662.56/140,493.68 = 43,725.92/x
  3. Step 3: Cross multiply
    93,662.56x = 140,493.68 × 43,725.92
  4. Step 4: Simplify right side
    93,662.56x = 6,143,215,412.19
  5. Step 5: Solve for x
    x = 6,143,215,412.19/93,662.56
  6. Step 6: Final answer
    x = 65,588.81

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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.