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Finding the Fourth Proportional to 224.47, 336.17 and 114.51

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Solution

The fourth proportional to 224.47, 336.17 and 114.51 is: 171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.47 : 336.17 = 114.51 : x
  2. Step 2: Convert to fraction form
    224.47/336.17 = 114.51/x
  3. Step 3: Cross multiply
    224.47x = 336.17 × 114.51
  4. Step 4: Simplify right side
    224.47x = 38,495.10
  5. Step 5: Solve for x
    x = 38,495.10/224.47
  6. Step 6: Final answer
    x = 171.49

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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.