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Finding the Fourth Proportional to 99.44, 149.10 and 33.53

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Solution

The fourth proportional to 99.44, 149.10 and 33.53 is: 50.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99.44 : 149.10 = 33.53 : x
  2. Step 2: Convert to fraction form
    99.44/149.10 = 33.53/x
  3. Step 3: Cross multiply
    99.44x = 149.10 × 33.53
  4. Step 4: Simplify right side
    99.44x = 4,999.24
  5. Step 5: Solve for x
    x = 4,999.24/99.44
  6. Step 6: Final answer
    x = 50.28

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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.