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Finding the Fourth Proportional to 93,631.52, 140,454.11 and 27,072.00

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Solution

The fourth proportional to 93,631.52, 140,454.11 and 27,072.00 is: 40,609.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.52 : 140,454.11 = 27,072.00 : x
  2. Step 2: Convert to fraction form
    93,631.52/140,454.11 = 27,072.00/x
  3. Step 3: Cross multiply
    93,631.52x = 140,454.11 × 27,072.00
  4. Step 4: Simplify right side
    93,631.52x = 3,802,372,963.65
  5. Step 5: Solve for x
    x = 3,802,372,963.65/93,631.52
  6. Step 6: Final answer
    x = 40,609.97

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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.