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Finding the Fourth Proportional to 175.41, 241.95 and 113.16

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Solution

The fourth proportional to 175.41, 241.95 and 113.16 is: 156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.41 : 241.95 = 113.16 : x
  2. Step 2: Convert to fraction form
    175.41/241.95 = 113.16/x
  3. Step 3: Cross multiply
    175.41x = 241.95 × 113.16
  4. Step 4: Simplify right side
    175.41x = 27,379.06
  5. Step 5: Solve for x
    x = 27,379.06/175.41
  6. Step 6: Final answer
    x = 156.09

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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.