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Finding the Fourth Proportional to 242.54, 363.60 and 174.14

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Solution

The fourth proportional to 242.54, 363.60 and 174.14 is: 261.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.54 : 363.60 = 174.14 : x
  2. Step 2: Convert to fraction form
    242.54/363.60 = 174.14/x
  3. Step 3: Cross multiply
    242.54x = 363.60 × 174.14
  4. Step 4: Simplify right side
    242.54x = 63,317.30
  5. Step 5: Solve for x
    x = 63,317.30/242.54
  6. Step 6: Final answer
    x = 261.06

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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.