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Finding the Fourth Proportional to 242.57, 364.01 and 114.33

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Solution

The fourth proportional to 242.57, 364.01 and 114.33 is: 171.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.57 : 364.01 = 114.33 : x
  2. Step 2: Convert to fraction form
    242.57/364.01 = 114.33/x
  3. Step 3: Cross multiply
    242.57x = 364.01 × 114.33
  4. Step 4: Simplify right side
    242.57x = 41,614.87
  5. Step 5: Solve for x
    x = 41,614.87/242.57
  6. Step 6: Final answer
    x = 171.56

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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.