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Finding the Fourth Proportional to 224.09, 336.10 and 61.74

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Solution

The fourth proportional to 224.09, 336.10 and 61.74 is: 92.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.09 : 336.10 = 61.74 : x
  2. Step 2: Convert to fraction form
    224.09/336.10 = 61.74/x
  3. Step 3: Cross multiply
    224.09x = 336.10 × 61.74
  4. Step 4: Simplify right side
    224.09x = 20,748.82
  5. Step 5: Solve for x
    x = 20,748.82/224.09
  6. Step 6: Final answer
    x = 92.59

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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.