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Finding the Fourth Proportional to 173.33, 259.99 and 45.08

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Solution

The fourth proportional to 173.33, 259.99 and 45.08 is: 67.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.33 : 259.99 = 45.08 : x
  2. Step 2: Convert to fraction form
    173.33/259.99 = 45.08/x
  3. Step 3: Cross multiply
    173.33x = 259.99 × 45.08
  4. Step 4: Simplify right side
    173.33x = 11,720.35
  5. Step 5: Solve for x
    x = 11,720.35/173.33
  6. Step 6: Final answer
    x = 67.62

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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.