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Finding the Fourth Proportional to 174.15, 260.93 and 92.91

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Solution

The fourth proportional to 174.15, 260.93 and 92.91 is: 139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.15 : 260.93 = 92.91 : x
  2. Step 2: Convert to fraction form
    174.15/260.93 = 92.91/x
  3. Step 3: Cross multiply
    174.15x = 260.93 × 92.91
  4. Step 4: Simplify right side
    174.15x = 24,242.54
  5. Step 5: Solve for x
    x = 24,242.54/174.15
  6. Step 6: Final answer
    x = 139.20

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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.