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Finding the Fourth Proportional to 173.46, 260.18 and 57.96

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Solution

The fourth proportional to 173.46, 260.18 and 57.96 is: 86.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.46 : 260.18 = 57.96 : x
  2. Step 2: Convert to fraction form
    173.46/260.18 = 57.96/x
  3. Step 3: Cross multiply
    173.46x = 260.18 × 57.96
  4. Step 4: Simplify right side
    173.46x = 15,079.24
  5. Step 5: Solve for x
    x = 15,079.24/173.46
  6. Step 6: Final answer
    x = 86.93

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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.