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Finding the Fourth Proportional to 224.44, 310.02 and 177.86

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Solution

The fourth proportional to 224.44, 310.02 and 177.86 is: 245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.44 : 310.02 = 177.86 : x
  2. Step 2: Convert to fraction form
    224.44/310.02 = 177.86/x
  3. Step 3: Cross multiply
    224.44x = 310.02 × 177.86
  4. Step 4: Simplify right side
    224.44x = 55,140.16
  5. Step 5: Solve for x
    x = 55,140.16/224.44
  6. Step 6: Final answer
    x = 245.68

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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.