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Finding the Fourth Proportional to 264.90, 365.52 and 159.92

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Solution

The fourth proportional to 264.90, 365.52 and 159.92 is: 220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.90 : 365.52 = 159.92 : x
  2. Step 2: Convert to fraction form
    264.90/365.52 = 159.92/x
  3. Step 3: Cross multiply
    264.90x = 365.52 × 159.92
  4. Step 4: Simplify right side
    264.90x = 58,453.96
  5. Step 5: Solve for x
    x = 58,453.96/264.90
  6. Step 6: Final answer
    x = 220.66

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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.