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Finding the Fourth Proportional to 173.25, 259.89 and 65.04

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Solution

The fourth proportional to 173.25, 259.89 and 65.04 is: 97.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.25 : 259.89 = 65.04 : x
  2. Step 2: Convert to fraction form
    173.25/259.89 = 65.04/x
  3. Step 3: Cross multiply
    173.25x = 259.89 × 65.04
  4. Step 4: Simplify right side
    173.25x = 16,903.25
  5. Step 5: Solve for x
    x = 16,903.25/173.25
  6. Step 6: Final answer
    x = 97.57

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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.