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Finding the Fourth Proportional to 224.47, 336.90 and 116.32

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Solution

The fourth proportional to 224.47, 336.90 and 116.32 is: 174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.47 : 336.90 = 116.32 : x
  2. Step 2: Convert to fraction form
    224.47/336.90 = 116.32/x
  3. Step 3: Cross multiply
    224.47x = 336.90 × 116.32
  4. Step 4: Simplify right side
    224.47x = 39,188.21
  5. Step 5: Solve for x
    x = 39,188.21/224.47
  6. Step 6: Final answer
    x = 174.58

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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.