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Finding the Fourth Proportional to 149.96, 224.94 and 114.11

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Solution

The fourth proportional to 149.96, 224.94 and 114.11 is: 171.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.96 : 224.94 = 114.11 : x
  2. Step 2: Convert to fraction form
    149.96/224.94 = 114.11/x
  3. Step 3: Cross multiply
    149.96x = 224.94 × 114.11
  4. Step 4: Simplify right side
    149.96x = 25,666.78
  5. Step 5: Solve for x
    x = 25,666.78/149.96
  6. Step 6: Final answer
    x = 171.16

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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.