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Finding the Fourth Proportional to 224.43, 336.66 and 59.90

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Solution

The fourth proportional to 224.43, 336.66 and 59.90 is: 89.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.43 : 336.66 = 59.90 : x
  2. Step 2: Convert to fraction form
    224.43/336.66 = 59.90/x
  3. Step 3: Cross multiply
    224.43x = 336.66 × 59.90
  4. Step 4: Simplify right side
    224.43x = 20,165.74
  5. Step 5: Solve for x
    x = 20,165.74/224.43
  6. Step 6: Final answer
    x = 89.85

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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.