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Finding the Fourth Proportional to 148.79, 205.24 and 96.26

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Solution

The fourth proportional to 148.79, 205.24 and 96.26 is: 132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.79 : 205.24 = 96.26 : x
  2. Step 2: Convert to fraction form
    148.79/205.24 = 96.26/x
  3. Step 3: Cross multiply
    148.79x = 205.24 × 96.26
  4. Step 4: Simplify right side
    148.79x = 19,755.14
  5. Step 5: Solve for x
    x = 19,755.14/148.79
  6. Step 6: Final answer
    x = 132.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.