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Finding the Fourth Proportional to 224.44, 309.90 and 146.92

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Solution

The fourth proportional to 224.44, 309.90 and 146.92 is: 202.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.44 : 309.90 = 146.92 : x
  2. Step 2: Convert to fraction form
    224.44/309.90 = 146.92/x
  3. Step 3: Cross multiply
    224.44x = 309.90 × 146.92
  4. Step 4: Simplify right side
    224.44x = 45,530.51
  5. Step 5: Solve for x
    x = 45,530.51/224.44
  6. Step 6: Final answer
    x = 202.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.