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Finding the Fourth Proportional to 273.02, 409.68 and 116.83

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Solution

The fourth proportional to 273.02, 409.68 and 116.83 is: 175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.02 : 409.68 = 116.83 : x
  2. Step 2: Convert to fraction form
    273.02/409.68 = 116.83/x
  3. Step 3: Cross multiply
    273.02x = 409.68 × 116.83
  4. Step 4: Simplify right side
    273.02x = 47,862.91
  5. Step 5: Solve for x
    x = 47,862.91/273.02
  6. Step 6: Final answer
    x = 175.31

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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.