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Finding the Fourth Proportional to 174.29, 260.89 and 125.35

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Solution

The fourth proportional to 174.29, 260.89 and 125.35 is: 187.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.29 : 260.89 = 125.35 : x
  2. Step 2: Convert to fraction form
    174.29/260.89 = 125.35/x
  3. Step 3: Cross multiply
    174.29x = 260.89 × 125.35
  4. Step 4: Simplify right side
    174.29x = 32,701.60
  5. Step 5: Solve for x
    x = 32,701.60/174.29
  6. Step 6: Final answer
    x = 187.63

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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.