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Finding the Fourth Proportional to 275,732.71, 413,549.85 and 73,329.96

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Solution

The fourth proportional to 275,732.71, 413,549.85 and 73,329.96 is: 109,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,732.71 : 413,549.85 = 73,329.96 : x
  2. Step 2: Convert to fraction form
    275,732.71/413,549.85 = 73,329.96/x
  3. Step 3: Cross multiply
    275,732.71x = 413,549.85 × 73,329.96
  4. Step 4: Simplify right side
    275,732.71x = 30,325,593,458.09
  5. Step 5: Solve for x
    x = 30,325,593,458.09/275,732.71
  6. Step 6: Final answer
    x = 109,981.85

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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.