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Finding the Fourth Proportional to 149.26, 223.95 and 62.64

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Solution

The fourth proportional to 149.26, 223.95 and 62.64 is: 93.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.26 : 223.95 = 62.64 : x
  2. Step 2: Convert to fraction form
    149.26/223.95 = 62.64/x
  3. Step 3: Cross multiply
    149.26x = 223.95 × 62.64
  4. Step 4: Simplify right side
    149.26x = 14,028.23
  5. Step 5: Solve for x
    x = 14,028.23/149.26
  6. Step 6: Final answer
    x = 93.99

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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.