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Finding the Fourth Proportional to 273.93, 410.93 and 109.43

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Solution

The fourth proportional to 273.93, 410.93 and 109.43 is: 164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.93 : 410.93 = 109.43 : x
  2. Step 2: Convert to fraction form
    273.93/410.93 = 109.43/x
  3. Step 3: Cross multiply
    273.93x = 410.93 × 109.43
  4. Step 4: Simplify right side
    273.93x = 44,968.07
  5. Step 5: Solve for x
    x = 44,968.07/273.93
  6. Step 6: Final answer
    x = 164.16

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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.