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Finding the Fourth Proportional to 93,965.67, 140,934.81 and 27,387.92

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Solution

The fourth proportional to 93,965.67, 140,934.81 and 27,387.92 is: 41,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,965.67 : 140,934.81 = 27,387.92 : x
  2. Step 2: Convert to fraction form
    93,965.67/140,934.81 = 27,387.92/x
  3. Step 3: Cross multiply
    93,965.67x = 140,934.81 × 27,387.92
  4. Step 4: Simplify right side
    93,965.67x = 3,859,910,596.82
  5. Step 5: Solve for x
    x = 3,859,910,596.82/93,965.67
  6. Step 6: Final answer
    x = 41,077.88

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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.