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Finding the Fourth Proportional to 174.76, 241.38 and 153.32

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Solution

The fourth proportional to 174.76, 241.38 and 153.32 is: 211.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.76 : 241.38 = 153.32 : x
  2. Step 2: Convert to fraction form
    174.76/241.38 = 153.32/x
  3. Step 3: Cross multiply
    174.76x = 241.38 × 153.32
  4. Step 4: Simplify right side
    174.76x = 37,008.38
  5. Step 5: Solve for x
    x = 37,008.38/174.76
  6. Step 6: Final answer
    x = 211.77

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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.