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Finding the Fourth Proportional to 149.94, 224.75 and 63.32

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Solution

The fourth proportional to 149.94, 224.75 and 63.32 is: 94.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.94 : 224.75 = 63.32 : x
  2. Step 2: Convert to fraction form
    149.94/224.75 = 63.32/x
  3. Step 3: Cross multiply
    149.94x = 224.75 × 63.32
  4. Step 4: Simplify right side
    149.94x = 14,231.17
  5. Step 5: Solve for x
    x = 14,231.17/149.94
  6. Step 6: Final answer
    x = 94.91

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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.