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Finding the Fourth Proportional to 173.18, 259.77 and 44.93

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Solution

The fourth proportional to 173.18, 259.77 and 44.93 is: 67.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.18 : 259.77 = 44.93 : x
  2. Step 2: Convert to fraction form
    173.18/259.77 = 44.93/x
  3. Step 3: Cross multiply
    173.18x = 259.77 × 44.93
  4. Step 4: Simplify right side
    173.18x = 11,669.94
  5. Step 5: Solve for x
    x = 11,669.94/173.18
  6. Step 6: Final answer
    x = 67.39

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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.