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Finding the Fourth Proportional to 175.33, 241.75 and 113.15

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Solution

The fourth proportional to 175.33, 241.75 and 113.15 is: 156.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.33 : 241.75 = 113.15 : x
  2. Step 2: Convert to fraction form
    175.33/241.75 = 113.15/x
  3. Step 3: Cross multiply
    175.33x = 241.75 × 113.15
  4. Step 4: Simplify right side
    175.33x = 27,354.01
  5. Step 5: Solve for x
    x = 27,354.01/175.33
  6. Step 6: Final answer
    x = 156.01

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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.