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Finding the Fourth Proportional to 124.01, 170.91 and 96.26

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Solution

The fourth proportional to 124.01, 170.91 and 96.26 is: 132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.01 : 170.91 = 96.26 : x
  2. Step 2: Convert to fraction form
    124.01/170.91 = 96.26/x
  3. Step 3: Cross multiply
    124.01x = 170.91 × 96.26
  4. Step 4: Simplify right side
    124.01x = 16,450.94
  5. Step 5: Solve for x
    x = 16,450.94/124.01
  6. Step 6: Final answer
    x = 132.66

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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.