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Finding the Fourth Proportional to 175.96, 264.04 and 118.21

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Solution

The fourth proportional to 175.96, 264.04 and 118.21 is: 177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.96 : 264.04 = 118.21 : x
  2. Step 2: Convert to fraction form
    175.96/264.04 = 118.21/x
  3. Step 3: Cross multiply
    175.96x = 264.04 × 118.21
  4. Step 4: Simplify right side
    175.96x = 31,212.17
  5. Step 5: Solve for x
    x = 31,212.17/175.96
  6. Step 6: Final answer
    x = 177.38

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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.