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Finding the Fourth Proportional to 273,090.92, 376,689.57 and 181,208.21

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Solution

The fourth proportional to 273,090.92, 376,689.57 and 181,208.21 is: 249,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,090.92 : 376,689.57 = 181,208.21 : x
  2. Step 2: Convert to fraction form
    273,090.92/376,689.57 = 181,208.21/x
  3. Step 3: Cross multiply
    273,090.92x = 376,689.57 × 181,208.21
  4. Step 4: Simplify right side
    273,090.92x = 68,259,240,821.92
  5. Step 5: Solve for x
    x = 68,259,240,821.92/273,090.92
  6. Step 6: Final answer
    x = 249,950.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.