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Finding the Fourth Proportional to 224.08, 335.76 and 146.88

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Solution

The fourth proportional to 224.08, 335.76 and 146.88 is: 220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.08 : 335.76 = 146.88 : x
  2. Step 2: Convert to fraction form
    224.08/335.76 = 146.88/x
  3. Step 3: Cross multiply
    224.08x = 335.76 × 146.88
  4. Step 4: Simplify right side
    224.08x = 49,316.43
  5. Step 5: Solve for x
    x = 49,316.43/224.08
  6. Step 6: Final answer
    x = 220.08

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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.