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Finding the Fourth Proportional to 93,581.73, 140,357.21 and 33,597.78

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Solution

The fourth proportional to 93,581.73, 140,357.21 and 33,597.78 is: 50,391.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,581.73 : 140,357.21 = 33,597.78 : x
  2. Step 2: Convert to fraction form
    93,581.73/140,357.21 = 33,597.78/x
  3. Step 3: Cross multiply
    93,581.73x = 140,357.21 × 33,597.78
  4. Step 4: Simplify right side
    93,581.73x = 4,715,690,662.99
  5. Step 5: Solve for x
    x = 4,715,690,662.99/93,581.73
  6. Step 6: Final answer
    x = 50,391.15

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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.