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Finding the Fourth Proportional to 173.56, 260.18 and 88.04

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Solution

The fourth proportional to 173.56, 260.18 and 88.04 is: 131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.56 : 260.18 = 88.04 : x
  2. Step 2: Convert to fraction form
    173.56/260.18 = 88.04/x
  3. Step 3: Cross multiply
    173.56x = 260.18 × 88.04
  4. Step 4: Simplify right side
    173.56x = 22,906.25
  5. Step 5: Solve for x
    x = 22,906.25/173.56
  6. Step 6: Final answer
    x = 131.98

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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.