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Finding the Fourth Proportional to 224.38, 336.60 and 80.08

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Solution

The fourth proportional to 224.38, 336.60 and 80.08 is: 120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.38 : 336.60 = 80.08 : x
  2. Step 2: Convert to fraction form
    224.38/336.60 = 80.08/x
  3. Step 3: Cross multiply
    224.38x = 336.60 × 80.08
  4. Step 4: Simplify right side
    224.38x = 26,954.93
  5. Step 5: Solve for x
    x = 26,954.93/224.38
  6. Step 6: Final answer
    x = 120.13

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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.