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Finding the Fourth Proportional to 264.55, 364.99 and 159.62

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Solution

The fourth proportional to 264.55, 364.99 and 159.62 is: 220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.55 : 364.99 = 159.62 : x
  2. Step 2: Convert to fraction form
    264.55/364.99 = 159.62/x
  3. Step 3: Cross multiply
    264.55x = 364.99 × 159.62
  4. Step 4: Simplify right side
    264.55x = 58,258.91
  5. Step 5: Solve for x
    x = 58,258.91/264.55
  6. Step 6: Final answer
    x = 220.22

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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.