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Finding the Fourth Proportional to 174.16, 260.86 and 125.32

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Solution

The fourth proportional to 174.16, 260.86 and 125.32 is: 187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.16 : 260.86 = 125.32 : x
  2. Step 2: Convert to fraction form
    174.16/260.86 = 125.32/x
  3. Step 3: Cross multiply
    174.16x = 260.86 × 125.32
  4. Step 4: Simplify right side
    174.16x = 32,690.98
  5. Step 5: Solve for x
    x = 32,690.98/174.16
  6. Step 6: Final answer
    x = 187.71

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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.