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Finding the Fourth Proportional to 149.93, 224.81 and 63.32

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Solution

The fourth proportional to 149.93, 224.81 and 63.32 is: 94.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.93 : 224.81 = 63.32 : x
  2. Step 2: Convert to fraction form
    149.93/224.81 = 63.32/x
  3. Step 3: Cross multiply
    149.93x = 224.81 × 63.32
  4. Step 4: Simplify right side
    149.93x = 14,235.21
  5. Step 5: Solve for x
    x = 14,235.21/149.93
  6. Step 6: Final answer
    x = 94.94

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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.