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Finding the Fourth Proportional to 273.53, 410.18 and 100.16

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Solution

The fourth proportional to 273.53, 410.18 and 100.16 is: 150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.53 : 410.18 = 100.16 : x
  2. Step 2: Convert to fraction form
    273.53/410.18 = 100.16/x
  3. Step 3: Cross multiply
    273.53x = 410.18 × 100.16
  4. Step 4: Simplify right side
    273.53x = 41,083.91
  5. Step 5: Solve for x
    x = 41,083.91/273.53
  6. Step 6: Final answer
    x = 150.20

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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.