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Finding the Fourth Proportional to 174.86, 241.02 and 160.74

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Solution

The fourth proportional to 174.86, 241.02 and 160.74 is: 221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.86 : 241.02 = 160.74 : x
  2. Step 2: Convert to fraction form
    174.86/241.02 = 160.74/x
  3. Step 3: Cross multiply
    174.86x = 241.02 × 160.74
  4. Step 4: Simplify right side
    174.86x = 38,741.55
  5. Step 5: Solve for x
    x = 38,741.55/174.86
  6. Step 6: Final answer
    x = 221.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.