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Finding the Fourth Proportional to 149.85, 224.77 and 41.64

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Solution

The fourth proportional to 149.85, 224.77 and 41.64 is: 62.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.85 : 224.77 = 41.64 : x
  2. Step 2: Convert to fraction form
    149.85/224.77 = 41.64/x
  3. Step 3: Cross multiply
    149.85x = 224.77 × 41.64
  4. Step 4: Simplify right side
    149.85x = 9,359.07
  5. Step 5: Solve for x
    x = 9,359.07/149.85
  6. Step 6: Final answer
    x = 62.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.