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Finding the Fourth Proportional to 173.96, 240.01 and 108.46

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Solution

The fourth proportional to 173.96, 240.01 and 108.46 is: 149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.96 : 240.01 = 108.46 : x
  2. Step 2: Convert to fraction form
    173.96/240.01 = 108.46/x
  3. Step 3: Cross multiply
    173.96x = 240.01 × 108.46
  4. Step 4: Simplify right side
    173.96x = 26,032.22
  5. Step 5: Solve for x
    x = 26,032.22/173.96
  6. Step 6: Final answer
    x = 149.64

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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.