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Finding the Fourth Proportional to 224.74, 337.12 and 70.68

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Solution

The fourth proportional to 224.74, 337.12 and 70.68 is: 106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.74 : 337.12 = 70.68 : x
  2. Step 2: Convert to fraction form
    224.74/337.12 = 70.68/x
  3. Step 3: Cross multiply
    224.74x = 337.12 × 70.68
  4. Step 4: Simplify right side
    224.74x = 23,827.46
  5. Step 5: Solve for x
    x = 23,827.46/224.74
  6. Step 6: Final answer
    x = 106.02

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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.