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Finding the Fourth Proportional to 124, 171.24 and 96.32

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Solution

The fourth proportional to 124, 171.24 and 96.32 is: 133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    124 : 171.24 = 96.32 : x
  2. Step 2: Convert to fraction form
    124/171.24 = 96.32/x
  3. Step 3: Cross multiply
    124x = 171.24 × 96.32
  4. Step 4: Simplify right side
    124x = 16,493.84
  5. Step 5: Solve for x
    x = 16,493.84/124
  6. Step 6: Final answer
    x = 133.01

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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.