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Finding the Fourth Proportional to 224.25, 336.36 and 59.70

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Solution

The fourth proportional to 224.25, 336.36 and 59.70 is: 89.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.25 : 336.36 = 59.70 : x
  2. Step 2: Convert to fraction form
    224.25/336.36 = 59.70/x
  3. Step 3: Cross multiply
    224.25x = 336.36 × 59.70
  4. Step 4: Simplify right side
    224.25x = 20,080.69
  5. Step 5: Solve for x
    x = 20,080.69/224.25
  6. Step 6: Final answer
    x = 89.55

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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.