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Finding the Fourth Proportional to 224.03, 335.40 and 147.08

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Solution

The fourth proportional to 224.03, 335.40 and 147.08 is: 220.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.03 : 335.40 = 147.08 : x
  2. Step 2: Convert to fraction form
    224.03/335.40 = 147.08/x
  3. Step 3: Cross multiply
    224.03x = 335.40 × 147.08
  4. Step 4: Simplify right side
    224.03x = 49,328.96
  5. Step 5: Solve for x
    x = 49,328.96/224.03
  6. Step 6: Final answer
    x = 220.19

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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.