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Finding the Fourth Proportional to 273,149.14, 409,765.92 and 93,192.43

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Solution

The fourth proportional to 273,149.14, 409,765.92 and 93,192.43 is: 139,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,149.14 : 409,765.92 = 93,192.43 : x
  2. Step 2: Convert to fraction form
    273,149.14/409,765.92 = 93,192.43/x
  3. Step 3: Cross multiply
    273,149.14x = 409,765.92 × 93,192.43
  4. Step 4: Simplify right side
    273,149.14x = 38,187,081,815.99
  5. Step 5: Solve for x
    x = 38,187,081,815.99/273,149.14
  6. Step 6: Final answer
    x = 139,803.05

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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.