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Finding the Fourth Proportional to 161.26, 241.86 and 58.52

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Solution

The fourth proportional to 161.26, 241.86 and 58.52 is: 87.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.26 : 241.86 = 58.52 : x
  2. Step 2: Convert to fraction form
    161.26/241.86 = 58.52/x
  3. Step 3: Cross multiply
    161.26x = 241.86 × 58.52
  4. Step 4: Simplify right side
    161.26x = 14,153.65
  5. Step 5: Solve for x
    x = 14,153.65/161.26
  6. Step 6: Final answer
    x = 87.77

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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.